IP Telephony and Phones

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Hello, We are currently using a Be6000 system and when we schedule a call forwarding on our phones (model 7945) to external numbers, it works perfectly when the original call comes from an internal position, but when it is an external call then this ...

call forwarding.png
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                   I'm running Cisco UCS call manager ver 9.1 with Cisco 8961 Phones . some of the phones received a reboot for a few second and came back up . i have checked call manager trace log and there is no downtime releate issue i have looked...

All,I am trying to gather a list of requirements for the Phone VPN.  We have an ASA5505 and running CM 7.x.  I know we will need the AnyConnect for Cisco VPN Phone license for the ASA but I am also seeing some web pages stating that we will need the ...

Hello i have an SIP Gateway running IOS c2951-universalk9-mz.SPA.152-4.M1.binOutbound calls are working but inbound not, m connection with the PSTN is E1 R2I received this error on debug vpm error:Apr 11 21:00:32.203: [0/2/0:0(9), R2_Q421_IC_WAIT_ANS...

I have an 871 router and when I attempt to connect a SIP phone inside my network it says it registers correctly, and I can recieve calls, but unable to make any calls.  Same phone same config on a dlink router works fine.  The 871 apparently is block...

I am deploying quite a few VG224 and VG202 devices in my environment. Some network administrators would like addresses statically assigned and others would like DHCP to be used. I have tested both, but some administrators are concerned with the fact ...