IP Telephony and Phones

I have a 7911 with an older firmware load so it won't update to our current default. I know I have to upgrade it in steps, but is there a way to look on the call manager and see what previous versions are installed so I know what to step up to first?...

I have a strange problem with cisco phones 7940 model software version P0M3-07-06-00For some reason these phones while connected to a linksys switch stop sending arp replys in the correct vlan in which they were recieved. For example the phone reciev...

Hi All,Please could somebody tell me the different voice codecs used in south africa, We have a customer over there who is having some problems as we believe its a codec issuewe have currently configuredvoice class codec 1 codec preference 1 g729r8 c...

                   I wanted to know if anybody has a good website they would recommend to purchase CCNP Voice viedo CD's. I am looking at doing my traning on my own as the boot camps are 10K. Any recommendations would be greatful. Thanks Joe

I am currently in the process of designing a setup that has me a little stumped.  Company A: - My current employerCompany B: - Another company to reside in our bldgSCENARIO:  My company will be leasing a desk to another company within one of our buil...

According to Cisco info, after changing NTP setting on Call Manager Publisher, all the subscribers have to be restarted.http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/cucos/8_0_2/cucos/iptpch4.html#wp1053371Is it necessary to restart those server...

Hi,I have integrated my CUCM 8.6 with the microsoft LYNC server for internal calling, which is working fine. But at the LYNC sever, we are getting warning and the warning is :Log Name:      Lync ServerSource:        LS Mediation ServerDate:          ...

Hi Support,I have below queries regarding the configuration of MGCP and H323 protocol with SRST on IOS gateway:1. Can we configure the MGCP and H323 on same gateway. If yes, then which scenerio this is aplicable and how?2. If I have MGCP with SRST co...

Does anyone have a sql query example to find end users that have Mobility enabled?

Good morning,I hope you could help me! I have the following question about a new project in wich I want to use Cisco voice communication system.My customer ask me to make a design for a small Cisco installation with less of 8 IP phones. The only requ...

            Hi, we just installed a new gateway, is MGCP and its registering OK in a call manager 5.1, with 4 bri interfaces, after I place a call to d DID, i can see the call going trough the call manager, but when I pick up the phone i got fast bus...

Hi everyone,I have a cisco 3825 running 15.1(3) with CME 8.6. I have a sip trunk registered to a voip.ms SIP account and 2 voip.ms DID's that I intend to use for inbound calling to the system. A few things to note right off the bat:Voip.ms SIP accoun...

Hello!i have cisco2911 with 151-4.M3 IOS, gateway configured as h.323 gw on Cisco CUCM.when i made outside call to PSTN from IP phone i got message Invalid number formatafter TX -> INFORMATION which gw send to PSTNAug 14 05:31:25.359: ISDN  Se0/0/0:1...

I using mgcp for current Call Manager and I have configure 9.00! and 9.1800!, predot route pattern on my call manager.Problem.1. Able to call local toll free number. start from 1800....(91800XXXXXXX)2. Able to call international number. (hong kong, u...