IP Telephony and Phones

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Hellowe are planning a CRA update from 3.1(2) to 4.0(5a). We got three CDs from Cisco and a card with a Product Authorization Key.Do we have to upgrade our 3.1 License files and if yes where and how can we do that?Thanks for your helpReto

telefonie by Level 5
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Hi,I'm running CCM5.Here's the problem:IP Phone A calls IP Phone B.IP Phone B put on hold IP Phone A: MoH ok on IP Phone A.IP Phone B calls IP Phone C. When IP Phone B comes back to IP Phone A, no MoH on IP Phone C !!Thanks for your help

Hi,here is the diagram :PSTN <-E1 Q931-> 2821 <-IP-> CCM4.2 <-IP-> 2821 <-E1 QSIG-> Bosch PBX <--> Bosch Phone n?6000 forwarded to his bosch voice mail.When a call come from the pstn to the 6000, the user fall on the general voice message and not on ...

BABARCHE by Level 1
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Does the 7940G support symmetrical NAT in it's latest firmware version 8.6.0? I am asking because I know the 79x1G series phones do NOT support symmetrical NAT and this feature is indeed important to me.

according to document <http://www.cisco.com/en/US/tech/tk652/tk698/technologies_configuration_example09186a00800a954d.shtml#ex2> i have been looking at example 2 is the service policy still required for rtp if command ip qos dscp cs5 media is still a...

heathrw by Level 4
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