IP Telephony and Phones

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SIP

HI.I have a CCM Release 4.2.3, My customer wants add a PSTN Access by SIP trunk with a Service Provider.The SP has the next RFCRFC 3261RFC 4566RFC 3550With Codec G.711My CCM support this RFC and trunk access or I need a IP-to-IP Gateways in order to ...

vertre by Level 1
  • 387 Views
  • 2 replies
  • 0 Helpful votes

Hi, i have a CCM 6 and Unity Connection 2.0 with IVR,all work fine, but i try to connect the lines of the old PBX to FXO card, but when i try to call the line ringing but dont send to IVR.This is part of the configurationvoice-port 0/2/2 timeouts cal...

cvicentep by Level 1
  • 561 Views
  • 5 replies
  • 0 Helpful votes