Cisco Unified IP Phone 7970 Series for Cisco Unified Communications Manager 7. For the sake of simplicity, let's make some assumptions about the configuration so that we can get a bit more specificity: In-house Asterisk server at the data center that has its own public IP. The router configs are the same except for the IP's of course and one of the routers will not let the phones register. I hav three phones, of different models 7940, 7941, 7961 that are stuck in configuing Ip and will not pull an IP address. The Cisco IP Phone is now looking at a list of up to three call processing servers (depending on how many you have configured) that it found in the configuration file it retrieved from the TFTP server. To set up a Cisco SPA 303 phone, follow the steps below: Get configuration information. Fortunately we don't have to own a complete VoIP system to learn, because Cisco's Packet Tracer has some features to experiment with. Configuring Cisco CUCM Hotdial or PLAR. The Cisco Unified IP Phone 8941 and 8945 may become stuck, hung, or frozen with "Upgrade in progress" on the display. Buy Cisco Small Business SPA508G 8 Line IP Phone With Display, PoE and PC Port with fast shipping and top-rated customer service. But there are some cases where Cisco IP Phones downloaded a buggy firmware version that doesn't allow automatic upgrades (firmware digitally signed) to newer. Polycom 8440/8450 Configuration and Setup IPedge SYSTEM CONFIGURATION The IP edge system configuration is much the same as for any SIP phone. SIP uses the Internet to connect your phone to other SIP phones. Go to the settings of this Portgroup and configure 1 physical NIC-port as active and all others as “standby” (see the screenshot below for an example) Create a second VMkernel Interface and give it the name “vMotion-02” Go to the settings of this Portgroup and configure a different NIC-port as active and all others as “standby”. When you perform a factory reset of the Cisco Unified IP Phone, the following information is erased or reset to its default value: • CTL file—Erased • LSC—Erased • User configuration settings—Reset to default values • Network configuration settings—Reset to default values • Call histories—Erased. Ip phones wont dial out; Options.



I'm currently running into a problem getting our Mitel IP phones to work with a Cisco 2960 switch. The phone has downloaded its configuration file from the TFTP server. The T41S is simple/straightforward to configure and some of its most notable features include HD Audio, Gigabit Ethernet, and PoE (Power over Ethernet) support. How to Connect Cisco IP Phones? How to Configure a Cisco Unified IP Phone 7921 with Call Manager Express? Cisco Unified IP Phones, Designed with Multimedia Video and Voice Communication. Components Used The information in this document is based on Cisco Unified Communications Manager 4. Add the additional IP phone at this time as well: it is required to perform VoIP test calls to and from the Cisco 7920. The topic is easy and most likely well-known. How to Change IP OF CISCO 7942g phone | IP Address | Cisco | Network Configuration. Hello, we've inherited some Cisco 7941 phones and one of them says it's configuring IP but never actually configures it. How to Configure Cisco Aironet Access Points Wireless. To recover the IP Phone you will need a DHCP Server in place so the IP phones can retrieve an IP address via DHCP (don't forget to configure option 150) and a TFTP Server with the config files (in particular the term11. A host connected to the phone can receive an ip address. Designed to meet the needs of managers and administrative assistants, the Cisco CP7962G IP Phone features include six programmable backlit line/feature buttons and four interactive soft keys to guide users through the many call features and functions. ; If prompted for a password the first time you access your new voicemail account, use the last four digits of your mobile number. Private Line Automatic Ringdown (PLAR) or Hot-dial is a configuration done in Cisco Unified Communication Manager which is intended to dial a destination number automatically as soon as an IP Phone goes off hook. 1 Abstract The IEEE 802. How do we solve this?. But the phone stuck with blank screen while bootup.



Cisco IP Phone 7960 and 7940 Series User Guide 78-10182-08 Using the Speakerphone 1-14 Using the Headset 1-14 Customizing Your Phone From the User Options Web Pages 1-15 Logging In to the User Options Web Pages 1-16 Changing the Default Language for the User Options Web Pages 1-17 Establishing Cisco IP Phone Services 1-18. Router 1 Configuration. I have unplugged the phone and plugged it back in. This issue occurs when the wrong phone type is chosen on the Device > Phone configuration on the CallManager Administration page. Information About Do Not Disturb To configure do not disturb, you should understand the following concept: • Do Not Disturb. In order to assist in troubleshooting phone incidents, the IMT Support Desk may ask you to provide the MAC Address and IP Address of your Cisco phone. It's not the phone. Some of them may seem ridiculous to you but it would be better that you try all of them. I have got a Cisco 1760 Voice Router, a 2950 Cisco Switch, a Cisco Call Manager 4. The hardware design is 100% open. VoIP Info: Firmware issues on 7940-7960. If you configure the router for the first time, connect to it using the console cable. Lab instructions. sbn kern78xx. Avaya IP Phones Avaya Ethernet Routing Switches Engineering > Avaya IP Telephony Deployment Technical Configuration Guide Avaya Networking Document Date: August 2012. Converting your Cisco 7940/60 from a DHCP (Dynamically Assigned IP Address) to a Static IP Address. Resetting your Cisco 7940/7960's Password We are 'SIP' Oriented. Configure Cisco Router toWork With Cable Interner 2 We need to first set the IP address of the router 's interfaces to begin configuring Cisco router to work with cable internet.



x/24 subnet. When you perform a factory reset of the Cisco Unified IP Phone, the following information is erased or reset to its default value: • CTL file—Erased • LSC—Erased • User configuration settings—Reset to default values • Network configuration settings—Reset to default values • Call histories—Erased. I'm 1/4 of the way through, but I got distracted by the following toy!) I borrowed a Cisco 7960 IP phone from work to test the feasibility of making the existing telephony infrastructure operate with Asterisk instead of Call Manager. Hello folks I just reset a phone and is stuck in configuring ip, under enterprise parameters we have the ip address of the publisher to remove the DNS dependency, the phone is configured in ccm what else should I check? thanks. In my office we had 10 Cisco 7942G IP phones , One Phone’s that were useless as it’s were stuck on Upgrading screen while, I did an update and now every time it restarts or if I do a factory reset it goes to the upgrading screen gets and ip address and just sits there. We have a remote worker, who is literally states away. Checking DNS usually means there's a typo in the sip proxy address. MAY-2010 LAN and SAN Connectivity for a Cisco UCS Blade Unified Computing. In my office we had 10 Cisco 7942G IP phones , One Phone's that were useless as it's were stuck on Upgrading screen while, I did an update and now every time it restarts or if I do a factory reset it goes to the upgrading screen gets and ip address and just sits there. I made some tests with an ipad nad it gets the ip 169. Navigate to the Mediasense API User Configuration window and search for the End User created in the CUCM phase. This is a very intermittent issue, but when it does happen, the phone shows it is connected to an AP at a certain RSSI level, but in fact the client is not associated per the client table in the Cisco WLAN controller. A strong understanding of the IP Phone registration process will help target your questions as you go. SIP uses the Internet to connect your phone to other SIP phones. I have wireless IP phones and desktop phones configured and they are working fine with no problem. Below you will find ALL possible solutions to fix the wi-fi issue: from simple to more complicated. Laptop (Cascade with IP Phone) <-> Cisco IP Phone <-> OS6450 <-> OS6900 <-> WAN <-> Cisco Call Mananger They are experiencing the phones suddenly rebooting and get stuck in the "Configuring" stage. We are using full DHCP to configure all of the phones and this has been working fine for several months. How to Change IP OF CISCO 7942g phone | IP Address | Cisco | Network Configuration.



Enter the new number in the Edit Phone Number dialog box when it appears. VoIP Info: Firmware issues on 7940-7960. But there are some cases where Cisco IP Phones downloaded a buggy firmware version that doesn’t allow automatic upgrades (firmware digitally signed) to newer. For example their was a bug with the 88xx family of phones where depending on line changes it could get stuck in a REGISTERING loop. 8-5-2S" where XX is the model of the phone. Please quote Cisco CP7911G IP Phone or product code CP-7911G when ordering. I have done the factory reset. The select softkey is used to enter menu options on the Cisco IP Phone. I would do the following: 1. com Re: Ip phone stuck in configuring IP Configure DNCP, Add scope of one or two IPs, Conf router Ip in DHCP, then reset the phone hopefully it will be registered, if not then add it manually in CCM - it will be registered. I downloaded the firmware from Cisco, extracted the files into the /tftpboot. My IPv4 is set to obtain IP address and DNS server address automatically. The phones establsih a cdp trust and are identified as a phone through cdp, however they will not pull an IP address from the dhcp server on the router. We are using full DHCP to configure all of the phones and this has been working fine for several months. Make sure the old firmware can get to the new firmware without a firmware in between. Last Modified Bug details contain sensitive information and therefore require a Cisco.



Add the End User to the Mediasense API Users. The edge switches are configured with 802. For example their was a bug with the 88xx family of phones where depending on line changes it could get stuck in a REGISTERING loop. Click on the Cisco CallManager server, choose Cisco TFTP and click Restart. When the device name appears, record the IP address for the next step. The most recent update of WSA now includes a virtualized offering. If the mute button is not red: please try the step above: connecting this phone's cable to another working phone's PC port. It requires separate configuration on your ASA firewall if you haven’t used it previously. Office Phone Shop supply a range of Cisco business phones to meet all needs. Cisco Ip Phone 7960 Configuration. The IP address range is 169. sbn kern78xx. You should hear 2 beeps. I've had phones stuck in that state when I left out the last character of the proxy address (e. Configuring QoS support This section explains how to configure Quality of Service parameters. Although this model is suitable for small businesses, branch offices or even home use, its firewall security capabilities are the same as the biggest models (5510, 5520, 5540 etc).



By default, the network parameters are locked to ensure that end users cannot modify settings. Does the phone have an IP address, if you list phone model we can help you determine that. - adequate firmware files for your 7900 phone (www. Below briefly describes the functions and roles for each AAA service:. I have unplugged the phone and plugged it back in. By enabling auto-registration, you can automatically add a Cisco Unified IP Phone to the CUCM database when you connect the phone to your IP telephony network. Converting your Cisco 7940/60 from a DHCP (Dynamically Assigned IP Address) to a Static IP Address. From this point on the phone is unable to retrieve its configuration from the phone PBX server and seems to be stuck. Lab instructions. If you only have 10 IP phones to setup it might be easier to just hard configure those 10 IP phones with the voice VLAN ID and then utilize DHCP to assign the S1 information. The router configs are the same except for the IP's of course and one of the routers will not let the phones register. It also shows an IP address that I cannot connect to. We have an IP phone system in our office, and about 8 VoIP phones running on the system. Make sure the old firmware can get to the new firmware without a firmware in between. Cisco Ip Phone 7960 Headset.



The confirm you start seeing debug messages for ephone register. Avaya IP Communications Overview, Interoperability with Cisco Networks, and Best Practices Miguel Corteguera. Have you unplugged the phone and plugged in back in. We offer many configuration guides and setup tools for different SIP Internet Telephony devices and adaptors. How to recover Cisco 7961 with SCCP page 4 of 5 You can use the Programmer Calculator of Windows, or any other online tool. I Manually set the TFTP server address to upgrade the Cisco sip firmware, since I did not have a DHCP server to pass this information via Option #150. This will allow any IP phone (CIPC - IP Communicator in our case) to register and automatically assign them an extension. 4 Cisco SIP IP Phone Administrator Guide, Versions 6. Downloadable PDF: Resetting or Restoring Cisco IP Phones Sometimes troubleshooting for Cisco IP phones can be challenging, there can be a number of reasons why an IP phone just won't register to Cisco Unified Communications Manager (CUCM). Navigate to the Mediasense API User Configuration window and search for the End User created in the CUCM phase. IP Phone Cisco 7920 Configuring IP Phone Cisco 7942G Administration Manual. 192 -> 0x69AA8C0 192. I downloaded the firmware from Cisco, extracted the files into the /tftpboot. I have unplugged the phone and plugged it back in. I reboot the phones, the config loads but the firmware doesn’t install. The IP04 is a Four Port Embedded IP PBX that runs Asterisk. Part of the Cisco Small Business Pro Series, the SIP-based Cisco SPA 504G 4-Line IP Phone has been tested to ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers.



NOTE: This is your Cisco Unified CME router's address. I inherited a Cisco 303 IP Phone from a recently departed employee. x, so all IP address schemes are the same. Put phone on another Extreme switch in a different closet and phone gets IP on voice vlan. By default, the network parameters are locked to ensure that end users cannot modify settings. Right now I have an 8841 phone that is stuck on the black cisco screen. Cisco Bug: CSCee85823 - Phones stuck in Configuring IP after reset. Routers sold by 8x8 come preconfigured with ALG disabled. CIsco 7941G SIP Phone stuck on registering Hi All Friends, We have CISCO IP phone 7941 for using VOIP from SIP provider, IINET is providing to us, It has default SIP Image, it is New SIP phone, Ive seen all the stuff out there, and have been unable to find the answer. The router configs are the same except for the IP's of course and one of the routers will not let the phones register. Configuring Cisco CUCM Hotdial or PLAR. In my case its mediasense. Resolve the issue by entering the below commands. Networking Configuration. This was a migration from 4.



Enable DND service using the DND soft key on Cisco Unified IP phones that support soft keys. If your phone is sitting on a screen showing 'Checking DNS' on boot up, this may fix the issue: Find the IP of your phone Press Menu followed by the number 9 key. Something goofy on the phone my guess is it was registered to something yucky in the past and it made the phone all weird. This article will walk users through the process of troubleshooting a Cisco 7942 or 7962 VPN enabled phone. Solved: Hi, I am actually trying to configure a unified IP phone to use the buttons on the 7962 to answer incoming calls. 211 asterisk 11. How to Change IP OF CISCO 7942g phone | IP Address | Cisco | Network Configuration. To reset a Cisco 7920, the ip phone must be started in administration mode using the following steps: Press the Menu softkey; Press * (star), # (hash) and * (star) again. Router 2509 - Router - EN Update Packets In Accounting Logs · Cisco WS-C3750-48PS-S Configuring The Source Ip Address For Ntp Packets · Cisco. The 8831 IP Phone displays as registered in CUCM and is able to be pinged and can log onto the web GUI of the phone. Certain files are necessary for the proper operation of a Cisco IP phone or analog device so that it can register successfully with a Cisco Unified Communications call control device. To determine why a phone is unprovisioned or unable to obtain an IP address, perform the following tasks as necessary: If you are using DHCP to configure the phone, verify that you are setting the "Next-Server" address correctly. You can also try connecting this phone's cable to another working phone's PC port, as that phone will 'share' its' functional network connection with the non-working phone. admin Posted in CCNP free test on line 500-005 TX9KMAN online test, Components of the TX9000, Configure the Cisco TX9000 Configuration, Explore Product Overview, Maintain the TX9000, Troubleshoot the TX9000 603 views 6 Comments. I have unplugged the phone and plugged it back in. com support/download pages to investigate available IOS software and configuation guides.



The Cisco IP Phone is now looking at a list of up to three call processing servers (depending on how many you have configured) that it found in the configuration file it retrieved from the TFTP server. Laptop (Cascade with IP Phone) <-> Cisco IP Phone <-> OS6450 <-> OS6900 <-> WAN <-> Cisco Call Mananger They are experiencing the phones suddenly rebooting and get stuck in the "Configuring" stage. The 5330 and 5340 IP Phones support Mitel Call Control (MiNet) protocol and session initiated protocols (SIP). Enter the 9+10 digit phone number or 5 digit extension number that you To access voicemail from your phone: the 7962 and 7965 phones have six line buttons. My colleague received a request to connect the phone for the new employee yesterday. I'm 1/4 of the way through, but I got distracted by the following toy!) I borrowed a Cisco 7960 IP phone from work to test the feasibility of making the existing telephony infrastructure operate with Asterisk instead of Call Manager. Blacksmith. CISCO IP phone 7960 wont boot up? I recently brought my office phone to my home because it wasnt working properly there and I primarily work from home. Commands (config)#telephony-service (config-telephony)#no shutdown. Cisco IP Phone 7960 and 7940 Series User Guide - Chickasaw Cisco Small Mitel. Resetting your Cisco 7940/7960's Password We are 'SIP' Oriented. Ephones are basically the configuration equivalent of the IP phones. And Cisco TAC support says, the phones part number is with enterprise firmware and it can't work with Asterisk. Cisco 7940 Ip Phone Setup Aug 11, 2014. Message 3 of 7 Something in software had to be stuck. Please quote Cisco CP7911G IP Phone or product code CP-7911G when ordering. By enabling auto-registration, you can automatically add a Cisco Unified IP Phone to the CUCM database when you connect the phone to your IP telephony network. When booting up phones that were previously registered with CUCM 4.



I bought this phone off ebay so I could learn about IP phones, (it arrived only this morning) but google shows this is also called a 'bricked' phone. hello my friend I have 3 Cisco IP phone I upload the software for Cisco to /tftpboot and restart the Cisco to factory and it's keep tell me configure vlan. Note: To purchase phones for use with the Intermedia Hosted PBX service, contact Support at 1-800-379-7729, choose option 3. When the device name appears, record the IP address for the next step. Ephones are basically the configuration equivalent of the IP phones. Downloadable PDF: Resetting or Restoring Cisco IP Phones Sometimes troubleshooting for Cisco IP phones can be challenging, there can be a number of reasons why an IP phone just won't register to Cisco Unified Communications Manager (CUCM). I want to configure Voice and Data Vlan on CISCO 3650, Can you please help me on this, I want to use Zed-3 IP Phone as well as SNOM IP Phone, If possible please give me some tips too. Local IP Configuration; In the setting for IPv4 change the Gateway Address from 10. The information in this document was created from the devices in a specific lab. Cisco Phone Stuck On Configuring Ip your Cisco 7940 and 7960 phone - Duration: 1:22. I'm in the middle of a project to install a couple thousand 7911G IP phones, we kept coming up with "configuring IP" on all the new phones we tried to install. MAY-2010 LAN and SAN Connectivity for a Cisco UCS Blade Unified Computing. This topic describes how to set up Cisco Jabber for phone-only mode without a Cisco Unified Communications IM and Presence Service node. regarding the heat loss and gain of a home tv sports Cisco ip phone 7940 series manual. The IP phones are stuck at configuring IP and doing a 'show IP dhcp binding' on the the router doesn't show that any IPs are leased to the phones.



How can I troubleshoot a Cisco IP Communicator phone stuck at Configuring IP during boot up? I've configured the device and added an extension and restarted the tftp server on the subscriber. This is a very intermittent issue, but when it does happen, the phone shows it is connected to an AP at a certain RSSI level, but in fact the client is not associated per the client table in the Cisco WLAN controller. Understanding the Cisco IP Phone Boot Process. The following table describes the ways to perform a basic reset. Technically you need a trunk if the phone supports VLANs. You can still perform a factory reset via the menu and restart configuration. If you have not already configured the Cisco 7920 or any other Cisco IP Phone on your Cisco CallManager server, see the Appendix: Configuring the Cisco 7920 with CallManager section of this document before you begin. NOTE: End-of-Sale and End-of-Life Announcement for the Cisco Unified IP Phones 7941G and 7961G (Hardware Only) More related tips of Cisco IP Phones. Release Notes for Cisco SIP IP Phone 7940/7960 Release 7. Installing Cisco IP Phone Firmware and XML Configuration Files. Reset the 7940 and 7960 IP Phones to the Factory Default In order to perform a factory reset of a phone if the password is set, complete these steps: Unplug the power cable from the phone, and then plug in the cable again. I Manually set the TFTP server address to upgrade the Cisco sip firmware, since I did not have a DHCP server to pass this information via Option #150. Performing the Factory Reset on Cisco 7920 Wireless IP Phone. IP Phone Registration & Configuration | Easy Steps Configuring. Take it back to original closet plug in on different port, gets IP on the Data vlan. Resetting Phone Configuration. Lab instructions. This document details the steps required to configure a Cisco CallManager VoIP system to work with Biamp's SVC-2 card. Now, how do I get all these guys connected so I can make/receive external calls.



View Rashad Robinson’s profile on LinkedIn, the world's largest professional community. Resetting Cisco IP Phone Models 7941 and 7961 to factory default Complete these steps: Cycle the power of the phone by unplugging the power cord and then plugging it back in. (ring all phones) Cisco CME Basic Automatic Call Distribution and Cisco Unity Express Auto Attendant Interoperation Configuration Example. The Cisco Unified IP Phone 7962G is can be updated via cisco. Get "version error" on the Cisco IP Phone screen When Try to Register. Ip phones wont dial out; Options. Resolve the issue by entering the below commands. 5(2) firmware by entering "SCCPXX. Specifies the TFTP server address from which the Cisco Unified IP phone downloads the image configuration file. Laptop (Cascade with IP Phone) <-> Cisco IP Phone <-> OS6450 <-> OS6900 <-> WAN <-> Cisco Call Mananger They are experiencing the phones suddenly rebooting and get stuck in the "Configuring" stage. It works fine getting internet but when I hook up the Cisco IP phone it gets stuck on either "Configuring IP" or "Requesting Configuration". When I connect it to our network, the phone hangs at 'configuring IP'. That is on the 7962 we have six lines and is it possible to use them to answer calls. Configure Cisco Jabber in phone-only mode: Cisco Unified Communications IM and Presence Service node is not required. I just built the first IP04 prototype (really built, as in soldered), and would like to tell you about it. Release Notes for Cisco SIP IP Phone 7940/7960 Release 7. With all the files in place you just need to point IP phone to look for the configuration file on new HTTP server.



sbn rootfs78xx. 1 1 Programmable buttons Depending on configuration, programmable buttons provide access to: • Phone lines (line buttons) • Speed-dial numbers (speed-dial buttons) The buttons illuminate to indicate phone line status: Green, steady - Active call on this line (off-hook). The Cisco Unified IP Phone 7962G is can be updated via cisco. A lot of people have had success with it as an alternative. Solution 1. This issue occurs when the wrong phone type is chosen on the Device > Phone configuration on the CallManager Administration page. This article goes over how to do a factory reset on the Cisco 7946, 7965, and 7975 IP phones. To set up a Cisco SPA 303 phone, follow the steps below: Get configuration information. Cisco 7942 manual user guide for cisco 7942 IP phone users. A host connected to the phone can receive an ip address. Right now I have an 8841 phone that is stuck on the black cisco screen. ip, all of the config on the cisco 7960 ip phone but its just stuck on conecting to the ip address. This post will cover the steps to setup a Cisco virtual Web Security Appliance (vWSA) home lab. Configuring a Cisco IP phone for VoIP using SIP – revisited Posted on Friday 14 May 2010 Friday 15 March 2013 By Mark Wilson A couple of years ago, I blogged about getting my Cisco 7940G IP Phone working with SIP firmware and an external VoIP provider (in my case, it was Sipgate ). But the phone stuck with blank screen while bootup. I am trying to configure a Cisco 881 router to have multiple vlans and share the internet connection. The router. i just started setting up a Cisco IP phone 7941G (With the SIP firmware) and when i turn it on and plug it into my network, it comes up with this message TFTP Timeout, i am not using a TFTP server to configure my ip phone, i would like to do it manually by typing in the PBX ip and the other required information, so how do i get into the ip. Setting up Cisco phone for home use on M5. That is on the 7962 we have six lines and is it possible to use them to answer calls.



Cisco 7945 IP phone is the recent advance of VoIP technology. By enabling auto-registration, you can automatically add a Cisco Unified IP Phone to the CUCM database when you connect the phone to your IP telephony network. Cisco IP Phone Cheat Sheet. Update Cisco IP Phones to support Extension Mobility; To avoid problems with deploying Cisco CallManager Extension Mobility, be sure to follow these configuration guidelines: Configure a device profile default for each Cisco IP Phone model in a cluster that you want to support Cisco CallManager Extension Mobility. Thanks & Regards. The following procedure was carried out on two Cisco Catalyst 3750 switches. (Don't worry, the summaries from the 2nd day of BSDCan are coming. The phone will begin to boot. Cisco SPA IP Phones: Cannot Dial Out Due To Immediate Busy Signal; Cisco SPA IP Phones: Increasing the interdigit timer; Cisco SPA IP Phones: How do I provision my phone for use on 8x8 service? Cisco SPA IP Phone Star Commands; Cisco: Transferred Call Drops; Connecting the Cisco SPA525G to a Wireless Network Using the Web GUI; How do I set a. Did factory reset and it upgraded twice and still went on wrong vlan. 1 firmware for the 8800 and 7800 series phones. Hi, my Cisco 7940G,with SIP Firmware 7. Setting up Cisco phone for home use on M5. Laptop (Cascade with IP Phone) <-> Cisco IP Phone <-> OS6450 <-> OS6900 <-> WAN <-> Cisco Call Mananger They are experiencing the phones suddenly rebooting and get stuck in the "Configuring" stage. The settings all look right in the CUCM, the ports are all open, we swapped out phones for known-good ones, no problem. Most of the time when a phone gets stuck on Initializing Network or Checking DNS it is because the phone is not getting an IP address from the network. It is ideal for fast-paced workplaces as well as general office environments. It also shows an IP address that I cannot connect to. In fact, the only experience we have with the other Cisco protocols is how to replace them with SIP firmware so our phones will work in our environment. The phones establsih a cdp trust and are identified as a phone through cdp, however they will not pull an IP address from the dhcp server on the router. Cisco Phone Stuck On Configuring Ip.