IP Telephony and Phones

Which is the sip version supported or implemented in ccm 5.1(3)?

Hello There,I have Unity 4.2We have Zero out options to other phones to "Alternate Contact Number" on the Caller Input of each subscriber.Our users in French are complaining that when people call them and get their voicemail and dial 0 there is a mes...

I have been implement callmanager in clustering group after that I need to change login and password on publisher callmanager.My question is how to change the login and password for subscriber callmanager to make that syncronize with publisher?Thak y...

I have a UC520 system that is using a SIP trunk. There is an ISDN for local break out. Everything works fine except for calls that come in via the SIP trunk which then get forwarded back out of the SIP trunk. The call setup works but when the forw...

Hey Guy,I have removed the LDAP sync from my CUCM6.1.3 following these steps:1 - Stopped Cisco Dir Sync2 - Disabled LDAP Authentication3 - Disabled LDAP Sync4 - Removed LDAP Directory informationSince then, I can't log in Extension Mobilty anymore. I...

I have a Seimens HICOM 300 connected to a Cisco 3800 Router via 4 PRI Interfaces. The Cisco Router is connected to my carriers SIP Network. If I try to forward a call from one of my digital phones through the SIP Network, the call does not go through...

I had 2 ISDN BRI Interface in my UC520. I have following question need someone advice:1. Can UC520 support multiple digit for secondary dial tone? I want user use 1st ISDN for outgoing press 9 and 2nd ISDN press 0 for external call?

Hi we have recently installed CUCIMOC in a pilot for my company. I have everyhting working apart from beign able to drag a contact to place a call. I am running CUCM v6.1.4 and OCS 2007 R2. The simple problem is that I get an error message when I ...

Hi,The Call Manager Event logs if silled with the error mentioning the B-channel is down for MGCP gateway, the vendor confirmed that they are not able to find any alarms, I checked the port speed, that seems to be fine, should I run Q931 trace or how...

Hi,We have a remote site with 4 phones that was using CME but is now on MPLS network and those 4 phones are now registered on CUCM at main site.We have installed a BRI cards on new router with number 555-1234. The 4 phones have an extension of 34XX.W...

Desired call flow:H323 GW -> PSTN emulator via E1->inbound dial peer-> outbound dial peer -> different H323 GW via another E1When dialing from H323 # 1 to H323 # 2, destination phone rings. As soon as call is answered, phone #1 starts playng busy si...

I have a customer using CallManager 6.x that needs multiple MOH streams for different departments. Each stream will be updated at least once per month. When using multicast audio files for MOH is it possible to update an audio source file by simply...

Hi All,I am working with a customer that is at the end of their cisco lease. They are replacing all hardware etc.All of their 7940 phones are moving to 7942, all the 7960's are moving to 7962'sIs there any tool or an easy method to do this? or do i ...