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iSDX to VOIP (Digital Translation tables) issues

iSDX to VOIP (Digital Translation tables) issues

iSDX to VOIP (Digital Translation tables) issues

(OP)
Hi - was hoping if anyone my be able to give any advice on an issue I currently have. My company has recently ported several numbers away from the BT Embark Platform over to VOIP (Mitel). Since this has happened other areas of the company who are still on the BT Embark are not able to call us internally or externally. Have been through the digital translation tables and seem to be set correctly. Am I missing something? Or is this an issue in the higher order?

Any thoughts gratefully received

Many Thanks

Rich

RE: iSDX to VOIP (Digital Translation tables) issues

Check your trunk to trunk allow tables to ensure the Main Groups of the various trunk groups are allowed to send traffic between them.
It's easily forgotten.

LTTA


Worked examples

This example shows allowed connections for trunk main group 14.

IN OUT IN OUT Allowed connections
001 014 a) Bothway: within group 14
014 002 002 014 between groups 14 and 2
007 014 between groups 14 and 18
014 014 014 014
014 015 b) One-way: between groups 1 and 14
014 018 018 014 between groups 7 and 14
between groups 14 and 15

Revise with RTTA


How are you connecting the DX to Mitel?
SIP, QSIG, Q.931.

If SIP then do you have a number length table associated with the trunk?
SIP requires En-bloc dialing ,rather than overlap dialling. The number length table will do this

In the example below Main Group 34 has Number Length Table 6 associated

D A R D D D T M N R
MG TYPE CODE / OUT SRCH SEND PSD S T IN D T REG T S OG D L A PE
A T T T M T D
034 DPNS 104 D HRS FXD A DDI N N 00 N 06 N

In the example below digit strings beginning 2 will wait for 5 digits (2XXXX) before sending the digit string.
H8K is used for SIP, regardless if you have an Openscape 8000 for not.

S?lnlt 6 2
NUMBER SEIZE FLAGS
DIGITS LENGTH ACTION LENGTH
2 05 05 H8K

Might need to do some tracing to see what is happening.

RE: iSDX to VOIP (Digital Translation tables) issues

(OP)
Cheers - ended up being a BT issue in the Embark

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