IP Telephony and Phones

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In the backup device menu you can change the "Number of backups to store on Network Directory" by toggling the drop-down box and selecting the number you want. When I try to change it from its current setting of 2 to something else it won't allow me ...

Hi Guys,I am experiencing an issue with incoming calls on certain numbers within a range of ddi`s. The debug isdn q931 is returning the following:Jul 6 11:39:59.743 UTC: ISDN Se0/0/0:23 Q931: RX <- SETUP pd = 8 callref = 0x0050 Bearer Capabi...

Hi, I have a Call Manager 5.1 and I would like to configure a SIP trunk to a voip service provider via Internet directly (not using the gateway).To access the service I need to provide a username and a password to the provider, but there are no boxe...

I am trying to configure SIP trunk between Cisco Unified Communication Server and 1861 router with SRST.When I try to initiate a call through this trunk, I hear only beeps and call does not succeed. However, in debug voice dialpeer all I can see some...