This may be a stupid question, but IS THERE a message waiting against your PSTN 
lines?

-Dave

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Mike
Sent: Tuesday, August 04, 2009 1:33 PM
To: [email protected]
Subject: [asterisk-users] Message Waiting Indicator on DAHDI line

Folks,

I have recently installed Asterisk 1.6.1.1.  I have two PSTN lines connected to 
a TDM400 and two VoIP lines using SIP.  I have a CISCO 7940 using SIP as my 
desk phone.  Calling any of the four lines should ring the desk phone.  This 
works fine, except that when ringing the PSTN lines, it activates the MWI on 
the 7940.  I can see this happening on the console:

[Aug  4 16:48:47] NOTICE[2964]: chan_dahdi.c:7669 ss_thread: MWI:
Channel 3 message waiting!

Looking at the offending piece of code, it seems to suggest from the comment 
that it is getting the MWI from the CLID.

/* If the CID had Message waiting payload, assume that this for MWI only and 
hangup the call */ if (flags & CID_MSGWAITING) {
  ast_log(LOG_NOTICE, "MWI: Channel %d message waiting!\n", p->channel);
  notify_message(p->mailbox, 1);
  /* If generated using Ring Pulse Alert, then ring has been answered as
  a call and needs to be hungup */
  if (p->mwimonitor_rpas) {
     ast_hangup(chan);
     return NULL;
  }
}

I have set "usecallerid=no" on both interfaces and globally but I still cannot 
get it to stop.

I have failed to turn anything up on Google regarding this.

Does anyone have any suggestions please?

Mike.

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