IP Telephony and Phones

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I need some options:problem with end user when they try to transfer a call by putting the caller on hold, * the dn then transfer again to go to their voicemail. When 2nd softkey transfer is delayed so therefore the caller hears partial greeting and ...

Hello Guys,I don't know what happend but since this morning we need to dial twice the FAC in order to dial long distance and for some people even if we dial twice is not working. The message says the code is no valide. I verified the codes and they a...

We have recently had a case where two SIP trunks we are running with CME has been compromised Simultaneously and we've racked up £££ worth of fraudulent calls.The SIP trunks are provided by Gamma Telecom's IPDC service. Gamma are saying that the C...

ali.yusuf by Level 1
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  • 0 Helpful votes

Dear all,I try to connect a new application through a SIP trunk. When I try to dial off-net through my H323 gateway, the CUCM send me INVITE after the 200 OK. It seems that is a feature coming from RFC3264. My application supports only RFC3261. How ...

p-morel by Level 1
  • 286 Views
  • 1 replies
  • 0 Helpful votes

We have a few users who work from home on a software vpn client and utilize IP Communicator v2.0. When they attempt to call someone on our internal network they hear a slight echo, but the person on the Lan hears a considerable amount of echo. This c...

dvanzee by Level 2
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  • 3 replies
  • 0 Helpful votes

I want to Upgrade my Cisco 2811 IOS from currently 12.3(8) T7 to 12.4.When i used the Cisco Software Advisor all seems to be fine, but i got the following Warning:"This image requires more memory than currently (as per show version) installed on your...