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ISDN pri up to 16 TS problem

Aydina
Level 1
Level 1

VWIC-1MFT-E1 working on 2811.2 PVDM2-16 on router.incoming call TS 1-15 connection no problem voice ok.But Time slot up to 16 is problem.Connection ok but not work voice.

3 Replies 3

Chester Rieman
Cisco Employee
Cisco Employee

Depends on codec complexity being used. Do show voice dsp to see dsp resources.

http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a008039c333.shtml

Hope this helps,

Chester

On PRI 16th timeslot is reserved for signaling - do sh isdn service to figure out which slots are available.

Brani

Example:

PRI Channel Statistics:

ISDN Se1/0:15, Channel [1-31]

Configured Isdn Interface (dsl) 0

Channel State (0=Idle 1=Proposed 2=Busy 3=Reserved 4=Restart 5=Maint_Pend)

Channel : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

State : 0 2 2 0 0 2 2 0 0 0 0 2 0 2 2 3 2 2 0 0 3 3 3 3 3 3 3 3 3 3 3

Service State (0=Inservice 1=Maint 2=Outofservice)

Channel : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

State : 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2 2 2 2 2 2 2 2 2 2 2

testspa
Level 1
Level 1

Can you send me the configuration of the router ? I have a problem whit the configuration of the E1 card.

Thank you