IP Telephony and Phones

Hello everybody   I have a problem with a SIP trunk and external calls forward to external.  let me explain :   here is my configuration :   CUCM ----- SIP Trunk to -----> CUBE ----- SIP Trunk to -----> ITSP   inbound, outbound call work perfectly in...

I need some help, I need to configure a 2951 to handle the SIP trunk for connectivity to the PSTN, then the inbound call needs to leave out the Cisco 2951 via 1 of 4 FXS ports.  I have a pretty good handle on the SIP trunk, I have never configured FX...

Hi All,  I am trying to understand the voice translation rules and have got confused with complex usage of it. Below are some patterns : /.*\(...\)$/ /8\1/ ---- My understanding -  This means any number being dialed is prefixed by 8 followed by the 3...

Hi,We have a 3945 with Version 15.5(3)M5 with CUCM 10.5 We have a new ITSP provider that require authentication. We have configured the authetication in dial-peer level:dial-peer voice 20 voip description ** Outbound SIP-ISP ** .... authentication ...

Hi Everybody, Here is the environmentCUCM 10.5 - PUB 10.10.242.51CUCM 10.5 - SUB 10.10.242.52I am going to re-host the CUCM pub, the following is my procedure1. DRS backup CUCM PUB (on OLD UCS) 2. DRS restore CUCM PUB (on NEW UCS) (on a separated net...

Our setup was done by a vendor and worked well. All of the sudden 911 calling stopped working. We get an immediate busy signal. I talked with our telco provider and they tell me they can't replicate it so it must be our equipment. I am looking for tr...

When i got my 2901 voice router i deleted all the files off it that i thought could have to older configurations from the previous owner but that included all the ringtones and the two xml files that are apparently needed RingList.xml and DESTINCTIVE...

Hi all,Hope someone out there knows of a product that can help.Looking to control some devices VIA dry contacts. Looking for a device that can accept SIP calls and has a dry contact relay.Preferably has more than 1 relay so i can dial *1 to control d...

Hello,   I'm having some issues with the "unlocated phones" report from CER v11.5.4.50000-6.  I have many phones in the report with the status of "Switchport Configuration" under the "Why this ERL is used?" column.  Problem is that all the phones lis...

Hi,There are a couple of sites that I'm trying to get working without MTP, and I'm having some problems getting consistent results where the calls need to use G729.   Two things seem to be irreconcilable ..(1) Outbound call via CUBE, of CUCM presents...

in Unity 12.5 CLI, I run a license smart reservation return and get the following.  Error occured while processing request :com.retrogui.dualrpc.common.CallException: <remote_exception><sessionid>5440245</sessionid><class>java.lang.NullPointerExcepti...

Dears,This is a CUCM environment version 11.5 and we're planning to upgrade to version 12.5. After Firmware upgrades, we have faced the following issues:Following IP Phones Firmware Upgrade from sip8845_65.10-3-2-16 to sip8845_65.12-5-1SR3-74, 2 phon...