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Anyone having any issues w/ the 7910 phones not giving a dial tone as soon as the handset is picked up.?Seems our 7960's function fine, but the 7910's will intermittently not give a dial tone when the handset is picked up for sometimes up to 6 second...

ggerhard by Level 1
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Trying to run a 7960 from a remote office thru a PIX to PIX vpn. The phone registers with the Call Manager. The phone has dial tone but does not appear to transmit any DTMF signal.All traffic is allowed to the phone & all 3-Des traffic is allowed f...