IP Telephony and Phones

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Hi All,I created a SIP Trunk with Asterisk PBX, calls from CUCM 8.6.2 to Asterisk are OK but calls from Asterisk to CUCM fails.I have taken a Wireshark trace and found that Asterisk send "OPTIONS" request which CUCM answers with "SIP 401 Unauthorized...

                  hello all,I am following this document for OS Password recovery on CM 6.1(2).  I keep getting and incorrect login message.  using "pwrecovery" and "pwrest" as the documents states.  Anyone have any ideas what else I can try or what ...

I'm playing with my lab which I have a 2901 router and a bunch of phones. The 2901 registers with an ITSP for POTS breakout. I also have an FXO card which is used for inbound and outbound failover, since the phones server my home for a live lab. I ha...

Resolved! CUCM 9.X Issue

Hello i install CUCM 9.0 Publisher, now i trying to install the SUbscriber but at certain point off the installation i receive this error attached.The blank space is the ip address of the Pub.Whats is funny is that from pub i can ping subscriber.They...

In a distributed call processing environment with clustering across the WAN, does the other cluster have a Publisher?   If so, what is the difference between this and two seperate CUCM systems interconnected by Tie Lines?    Also if the cluster conta...

DrVoIP by Level 1
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