IP Telephony and Phones

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Hi,Sometimes one of the BRI lines gets this q921 messages:ISDN BR0/2/1 Q921: L2_EstablishDataLink: sending SABMEISDN BR0/2/1 Q921: User TX -> RRf sapi=0 tei=123 nr=2ISDN BR0/2/1 Q921: User TX -> SABMEp sapi=0 tei=123ISDN BR0/2/1 Q921: User RX <- SABM...

I have ER 7.0 with a UCM 7.0. I have started to configur the ER but am having some troubles. The ER has found all my switches and ports but no phones attatched. I have checked all the software/hardware to make sure it is all supported. With this brie...

Hello All,I have a MGCP PRI with 500 DID numbers, for example, from 99999500 to 99999550. I have Directory numbers in my site from 444200 to 444399. What I want is that all DIDs go to Attendant Console Pilot Point, except those assigned to users. Als...

mcecilia by Level 1
  • 213 Views
  • 2 replies
  • 0 Helpful votes

Hi, AllI have a mixed CME network with 7912s and 3911 on a 2811, with IOS 12.4(15)T and CME 4.1 and 8.1.3 Firmware for 3911, the 2811 has FOX connections to PSTN. When 3911 are calling or receiving calls from PSTN the voice gets cut off and comes bac...

kazemaini by Level 1
  • 224 Views
  • 1 replies
  • 0 Helpful votes

Hi,I have a quest about the sip register. I can make in/out call via the sip trunk but the register is failed. Do you know what the function of sip register is ?nshk-cme#sh sip-ua register statusLine peer expires(sec) registered==...

cm6043 by Level 1
  • 1006 Views
  • 3 replies
  • 0 Helpful votes

Unity Connection 7.0.2. Set up IMAP client and had it working with the use of the SMTP Proxy address for each subscriber. Attempted to change the SMTP domain and "broke" the IMAP connection. Changed the SMTP domain back and authentication still fail...

bodav by Level 1
  • 478 Views
  • 3 replies
  • 0 Helpful votes