IP Telephony and Phones

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Hello everyone.Recently I have stumbled upon a peculiar problem. When the call happens between two phones according to the topology below sometimes a one way audio problem occurs (one call out of nearly 20-30). Here is the figure: Cisco 8865 <===> CU...

Hello, we have a sip server. SIP internal line has no problems. But unfortunately we couldn't get it to work on the outside line. A router was recommended for this. I don't know how to configure the router. I would like your support regarding this.Fi...

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Onurkan by Level 1
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All, I am seeing an issue where I am unable to call 1 number in the PSTN with a SIP Trunk to an ITSP. All other calls work OK, just not this one. The ITSP told me to send g711alaw as 1st choice in the early offer and also to change the ptime with a S...

drbabbers by Level 3
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  • 4 replies
  • 0 Helpful votes