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ISDN PRI DMS100 interface identifier setting - IOS??

Hi,

Does anyone know if IOS has the option to configure the DMS100 interface Identifer?

In Call Manager MGCP GW config this is configurable, but H323 can't configure it so were forced to use MGCP. Since we can't set this in IOS we can't use SRST on this router with the PRI either.

Any ideas to get router to work w/PRI in SRST mode?

We have to use DMS100 because of customers PBX type (option 61c). On 61c NI switchtype is limited to PSTN connections. Router has to be network-side as well.

2 REPLIES
New Member

Re: ISDN PRI DMS100 interface identifier setting - IOS??

I guess it can be implemented only in MGCP and not in H.323.

Cisco Employee

Re: ISDN PRI DMS100 interface identifier setting - IOS??

I've not had to configure this on 61c/81c integrations before. The config. I and others have used repeatedly is:

On the IOS gateway:

isdn switch-type primary-dms100

!

controller T1 1/0

framing esf

clock source line primary

linecode b8zs

pri-group timeslots 1-24

!

!

interface Serial1/0:23

isdn switch-type primary-dms100

isdn incoming-voice voice

isdn flip-chan-flag

!

!If on earlier version of IOS (12.1.x)

!isdn tei-negotiation first-call

!

-------------------------------------------------------------------------------------------

Nortel Meridian Option X

1) Meridian 81c using NI2 Network side will only process the last 4-5 digits of any number, so tandeming to the PSTN is not possible (in fact, if the last 4-5 digits of the number sent out match a PBX phone extension that phone will ring).

2) Set Meridian PRI to S100 Network side if software allows. Successful integrations seem to be running version 22 or later on the Meridian.

3) Must set "S100" on the trunk group (RDB) and on the D-channel config. They can then set the PBX for network side.

4) Set gateway for DMS100 User side. Caller name should work with IOS 12.2(5)+

5) Make sure PBX tech downloads MSDL channel if D channel does not come up. IMPORTANT!

6) PBX tech will also have to make sure correct parameters are set to pass calls from his PRI to CallManager to PRI on PSTN (NCOS, TGAR, others)

Here is some pertinent config info from a Meridian PBX that is

working with

the above PRI

On the D-Channel:

CTYP MSDL

GRP 1

DNUM 15

PORT 2

USR PRI

DCHL 25

OTBF 128

PARM RS422 DTE

CLOK EXT

IFC S100

SIDE NET

CNEG 1

RLS ID **

RCAP ND2

On a trunk (ds0)

TYPE TIE

CDEN SD

CUST 0

TRK PRI

PDCA 1

PCML MU

NCOS 2 <<< Depends on permissions in switch

RTMB 79 1

B-CHANNEL SIGNALING

TGAR 1 <<< Routing code. Could be different.

AST NO

IAPG 0

CLS CTD DTN and so on

TKID

FCAR NO

On the trunk route:

TKTP TIE

ESN NO

CNVT NO

SAT NO

RCLS EXT

DTRK YES

DGTP PRI

ISDN YES

MODE PRA

IFC S100

SBN 0

PNI 00000

NCNA YES

NCRD NO <<<< Can be set to yes

CHTY BCH

CTYP UKWN

INAC NO

ISAR NO

DARC NO

BCOT 0

DSEL 3VCE <<< also works as VOD

PTYP PRI

AUTO NO

DNIS NO

ICOG IAO

SRCH RRB <<< Can be set to LIN (linear hunt)

TRMB YES

STEP

ACOD 7979

TCPP NO

TARG 01

CLEN 1

BILN NO

OABS

INST

IDC NO

DCNO 0 *

NDNO 0

DEXT NO

ANTK

SIGO STD

ICIS YES

and so on ......

510
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