Category Archives: CallManager Express

Class of Restriction (COR)

This is a basic example of user restrictions on CME  or class of restrictions dial-peer cor custom name emerg name national name international ! First you define the levels you are going to use , in this example I will … Continue reading

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CAC On Voice Gateway/CME part 4

To read part 1 , click here To read part 2 , click here To read part 3 , click here To read part 4 , click here The Fall-back Method The main site has 2 dial-peers  for the same … Continue reading

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CAC On Voice Gateway/CME part 3

To read part 1 , click here To read part 2 , click here To read part 3 , click here To read part 4 , click here Advanced Voice Busy out (AVBO) In the figure below , legacy PBX … Continue reading

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CAC On Voice Gateway/CME part 2

To read part 1 , click here To read part 2 , click here To read part 3 , click here To read part 4 , click here Local Voice Busy Out : (LVBO) In the figure below, the legacy … Continue reading

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CAC On Voice Gateway/CME part 1

To read part 1 , click here To read part 2 , click here To read part 3 , click here To read part 4 , click here Call Admission Control (CAC) is a concept that applies to voice traffic … Continue reading

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Basic Configuration CME (Mode SIP)

ip dhcp pool phones network 192.168.10.0 255.255.255.0 option 150 ip 192.168.10.50 ! voice service voip allow-connections sip to sip sip registrar server expires max 1200 min 300 ! voice register global mode cme source-address 192.168.10.50 port 5060 max-dn 192 max-pool … Continue reading

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How to know the codec being used in a call

In my lab I have back to back BRI connection port 0/0/0 is for outgoing call port 0/0/1 is for incoming calls Router#sh voice call summary PORT CODEC VAD VTSP STATE VPM STATE ============== ========= === ==================== ====================== 0/0/0.1 g711ulaw … Continue reading

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