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AS5300 & E1-R2-Siemen (EWSD)

hi all,

i got a problem when implement VoIP with AS5300 connected with E1-R2, here's the diagram:

CALL IN ----E1R2 ---AS5300 --- AS5300---E1R2----CALL OUT

problem happened with the call out, it's ok for local call but can't do an long distance call.

When AS5300 send All Digits, the R2 always request for A2 (repeat from beginning), AS5300 only repeat 1 digit from behind !

I already insert a dummy ANI for long distance call.

The ABCD is (RX)1 0 0 1 (TX)1 0 0 1

Here's the simple E1 conf:

controller E1 1

framing NO-CRC4

clock source line secondary 1

ds0-group 1 timeslots 1-15,17-31 type r2-digital r2-compelled ani

cas-custom 1

country indonesia

category 2

answer-signal group-b 1


Anybody have an experience with this problem ?


  • Other Collaboration Voice and Video Subjects

Re: AS5300 & E1-R2-Siemen (EWSD)

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.