Getting dead silent calls (phanton calls)

[tkayyali2k]

We have an IPCC setup with a main dialed number 6000 hunted on the VG that is integrated with a nortel meridien PBX.

The call comes from the PSTN to the PBX then through an E1 to the VG that maps these calls to the main dialed number 6000.

Agents keep recieveing calls that come to the 6000 that gets directed to the LAA agent. The agent would hear a dead silent when he picks up the phone and its clear that this is not a real call!

What could be the cause and solution for this.. its urgent please.

Components:

ICM 5.0 SR8

CCM 3.3(3)

IVR 3.1(2)

Thanks.

[ebreniz]

This can be a issue of one way call. try with the following link.

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml