IP Telephony and Phones

Hi guys. I have calls running between 2 voip systems trough sip and i have about 7 hop between them (2 mpls and the rest of them internal between routers (fiber connection) ) .When I see logs I see too big jitter from 1000-4000 ms , packet loss 15%-4...

Hello Team,, We are facing the issue with Cisco CME with call manager .If we are trying the SIP trunk calls  from call manager not going to cme ,from cme to call manager sip call is connecting but there is no audio.with the same setup H.323 calls goi...

Hi everyone, Is it possible to limit a Jabber client's resolution (specifically Jabber for Windows, on premise) so that over the WAN it will be no more than 448p and in the LAN will be 720p? Is it possible to set a fixed (user can't configure) resolu...

Hi guys, We have a client who had an 8.6 cluster with an EMCC connection to another 8.6 cluster. We have upgraded the client to 10.5, changed hostnames, cluster ID and re-signed certificates. As part of this, we re-performed the export of certificate...

Can i replace VIC-2FXS with ATA 190 ?

cisco router 2921 is having problem with FXO card or FXO port . it is automatically showing Operational status as down of all fxo ports .then if shut and not shut the port nothing happens .so if i restart the router fxo ports starts working fine for ...

Dear Team, BE6k fan sudden noise after some interval and silence . Its new server. What is the possible issue.  Thanks

Hello, is there a way to remotely delete the call history of the Cisco 3905s? If it's not possible, is there a way to completely disable the call history on these phones? TIA and regards.

Hey everyone, We have a bunch of cisco IP 7900 series phones that we used with a prior hosted VOIP provider, now I can't seem to change the configuration in the network settings (specifically, the TFTP server).  I receive a message saying "that key i...

Is there any workaround or solution available to this problem? Is it possible to use least cost routing for Site A and Site B number so it will local call for us from Site C .Site A number range is +63,Site B Number range is +61 and Site C is +91 but...

I am sure for some people its very easy to answer this but this drove me crazy trying to figure out how to make this work.  We have a site that has a Mitel phone system plugged to a Cisco ISR 2921 using a T1. The ISR also connects to PSTN using a sep...

Dear Team ,ATA 190 was one mac rejected and one unregisterd. I upgraded cmterm-ata190.1-1-0-006.cop.sgn to cmterm-ata190-qed.1-1-1-001.cop.sgn + cmterm-ata190-qed.1-1-1-001.cop.sgn and rebooted CM. ATA completely disappear from CUCM once i delete fro...

We are using Call Manager version 10.5 I have several call-center type groups that use Genesys Contact Center. I have one group however, who wants real-time call statistics----calls inbound, calls outbound, etc.----but they do not want to have to use...

Hello,i want to use a CUBE HSRP configuration in my CUCM environment.Every time when my CUCM send a SIP request or invite to the HSRP IP, my CUBE use the physical IP in the answer packet.(see attached File).I tried to bind HSRP IP to the incoming dia...