We are experiencing delay when we dial from our HQ in NY to our remote branches scattered througout US. We first dialed internally within the NY location, all calls were instantaneous, and there was no delay.
We then tried to call our users in San Fran, Boston, Denver, Cleveland, Chicago and London from NY via WAN. When dialing internally to each location there was approximately a 5-7 second delay. This occurred always during the initial attempt to make the call, after the number is in memory of the phone, redialing the number allowed the call to go through without any delay.
When we tested dialing externally (via PSTN) to UK, SF, Boston, Cleveland, Denver and Chicago; no calls experienced delays.
We are running CM 4.1(3.
What could be causing the 5-7 sec delay for the first internal call and no delay on subsequent calls? Is there a timer associated with this?
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