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CCM6.0 - Call connecting

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bigchiefdan

IS-IT--Management
Apr 9, 2007
116
US
Internal caller dials number (including 9 to get out) then picks up phone. Call is dialed at that time.

External caller has dialed our facility and has not heard a ring yet.

Calls are connected to each other. Much like if you answer the phone at your house before it rings.

All our incoming calls are (should be) answered by our call center (plar 5999 at each GW). 5999 is the pilot number to our IPCC.

Is there some sort of delay timer that can be adjusted or do I need to force my users to change the way they dial?

This just started (being reported) about 3 weeks ago.
Any help is greatly appreciated.
 
were there any type of patches or upgrades done to your network around 3 weeks ago?

------------------------------------
Dallas, Texas
Telecommunications Tech
CCVP, CCNA, Net+

CCNP in the works
 
none. this has likely been happening for much longer. employees here have a nasty habit of reporting issues long after they have occured, if at all.

it seems to happen here at the main site the most. By that I mean users are dialing a number that would be routed thru the main site and customers are calling numbers that would terminate at the main site.

 
What you are experiencing is called 'glare'. An incoming call hits and connects to an outgoing call. This is caused by delays in Supervision. If you have analog trunks, and I've never heard it happening on anything else, have your provider change it from 'loop start' to 'ground start'. This clears up the glare issue 95% of the time. If you have a channelized T-1, and I've never heard of it happening there, see how your trunks connect and repost. You'd be looking for something like 'wink-start', immediate-start' or something like that.
 
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