IP Telephony and Phones

Hi ALL,Can someone help me for the below mentioned case.I have a fax line which is connected to the call manager by using MGCP protocol, and the line is able to make and receive calls but unable to send or receive fax.Please let me know how can i tro...

Hi,Running UCM 7.x and using MGCP Gateway.Configured ATA and it has been registered.Able to make voice call from ATA.We can able to send a fax but not able to receive the fax.Sending end fax machine displays a message " communication error"Please hel...

Hello,I'm currently investigating the issue that one of the end users is facing.From time to time end users gets missed call notifications but his desk phone is not ringing. I have checked CDR reports and can see those calls there. The call type is d...

i all I have a CIsco 2811 and I m about to configure a sip trunk to my sip-providerwhen I try to register my sip trunk on Elastix-ip-pbx it is all ok with this config_________________________________________________________-"in peer details" :      h...

Hi All,     We are using ExpresswayC/E cluster in version x8.10. Now i have a 7841 with firmware 10-3-1 (also tried 11-5-1) cannot be registered via MRA. I am using my home network and assigning a private IP to test this, Internet is working by...

Hi teamI have some issue with my service provider in Chile (Movistar) we don't have any problem to the outside calls, but when have a incoming call, i don't see the numbers. The provider say they sending 4 digit from the PSTN, tested by them and work...

Hi everybody. I have a telephony deployment through cisco CME ISR 4321. Phones load local directory succesfully, but when user select a user from directory to call or try to call via extension, name of owner extension is not showing in screen of phon...

We have a large quantity of 7900 series phones that we are going to dispose of and I need to know how to take them down to "fresh out of the box" configuration. I've tried factory resets while connected to a configured network port, a defaulted port,...

Experts, I use 9999 for dialing into Greeting Administrator. I set that up long time ago. In that I have included:790 holiday greetings791 key voice mails793 main message When I try 793 I hear the message: you are not listed as the owner of this call...

I'm trying to get a 8832 to use wireless network. In CUCM, the device explicity has WiFi as "Enabled" but on the 8832, all the Wi-Fi client setup options are stubbornly greyed out. Even the old school "**#" method doesn't unlock the menus. According ...

Hello, dear support community.   We are facing some problems with 8821 from time to time: it - periodically loses connectivity with its wifi AP being within the range - might freeze while transferring a call - constantly requires IP from DHCP serve...