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CCM and gatekeeper functionatlity/PBX network side/user side Q

Hi;

I have some questions.

Q1: I did some tests with the CCM 3.0. In the test configuration I have two voip (H.323) gateways(3640 and 5300). Each router connects to a PABX via Q.SIQ over an E1. I define a voip dial-peer on the 5300 then I try to get the gateway (5300) to register with the CCM 3.0. using a ras session target.

The H.323 Gateway id (Device name/ID) defined by the user (me) in CCM is an ip address of an ethernet interface on the gateway. This same id used (ip addresss) as the h323-id defined on on that interface. The RAS debugs clearly indicate that there is an H.323 GK process on the CCM. Is that true?

Why is the gatekeeper identifier so bizarre? (Cisco/Selsius Gatekeeper , "ARE YOU READY?"",)

Why am I getting an RRJ with reason code= invalidAlias after recieviing a GCF?

Does CCM use LRQ/LCF exchange for inter cluster communication?

Please see the RAS Debugs below for details.

There is no gatekeeper device defined. If it was this would mean that the CCM can talk LRQ/LCF/Setup with this gatekeeper, right?

RAS DEBUGS

----------

RasMessage ::= gatekeeperRequest :

5d17h: {

5d17h: requestSeqNum 05,

5d17h: protocolIdentifier { 0 0 0 0 0 0 },

5d17h: rasAddress ipAddress :

5d17h: {

5d17h: ip '0A010502'H,

5d17h: port 053629

5d17h: },

5d17h: endpointType

5d17h: {

5d17h: gateway

5d17h: {

5d17h: protocol

5d17h: {

5d17h: voice :

5d17h: {

5d17h: supportedPrefixes

5d17h: {

5d17h: }

5d17h: }

5d17h: }

5d17h: },

5d17h: mc FALSE,

5d17h: undefinedNode FALSE

5d17h: },

5d17h: gatekeeperIdentifier "Cisco/Selsius Gatekeeper , "ARE YOU READY?"",

5d17h: endpointAlias

5d17h: {

5d17h: h323_ID : "10.1.5.2"

5d17h: }

5d17h: }

5d17h: 00A00004 06000891 4A000200 0A010502 D17D0880 013C0501 00150000 43006900

73006300 6F002F00 53006500 6C007300 69007500 73002000 47006100 74006500

6B006500 65007000 65007200 20002C00 20002200 41005200 45002000 59004F00

55002000 52004500 41004400 59003F00 22014007 00310030 002E0031 002E0035

002E0032

5d17h: RASlib::ras_sendto: msg length 132 from 10.1.5.2:53629 to 10.1.1.10:1719

5d17h: RASLib::RASSendGRQ: GRQ (seq# 5) sent to 10.1.1.10

5d17h: RASLib::RASRecvData: successfully rcvd message of length 105 from 10.1.1.10:171904800004 06000891 4A000254 00430069 00730063 006F002F 00530065 006C0073

00690075 00730020 00470061 00740065 006B0065 00650070 00650072 0020002C

00200022 00410052 00450020 0059004F 00550020 00520045 00410044 0059003F

0022000A 01010A06 B7

value RasMessage ::= gatekeeperConfirm :

5d17h: {

5d17h: requestSeqNum 05,

5d17h: protocolIdentifier { 0 0 0 0 0 0 },

5d17h: gatekeeperIdentifier "Cisco/Selsius Gatekeeper , "ARE YOU READY?"",

5d17h: rasAddress ipAddress :

5d17h: {

5d17h: ip '0A01010A'H,

5d17h: port 01719

5d17h: }

5d17h: }

5d17h:

5d17h: RASLib::RASRecvData: GCF (seq# 5) rcvd from [10.1.1.10:1719] on sock[0x61CD1674]value RasMessage ::= registrationRequest :

5d17h: {

5d17h: requestSeqNum 06,

5d17h: protocolIdentifier { 0 0 0 0 0 0 },

5d17h: discoveryComplete TRUE,

5d17h: callSignalAddress

5d17h: {

5d17h: ipAddress :

5d17h: {

5d17h: ip '0A010502'H,

5d17h: port 01720

5d17h: }

5d17h: },

5d17h: rasAddress

5d17h: {

5d17h: ipAddress :

5d17h: {

5d17h: ip '0A010502'H,

5d17h: port 053629

5d17h: }

5d17h: },

5d17h: terminalType

5d17h: {

5d17h: gateway

5d17h: {

5d17h: protocol

5d17h: {

5d17h: voice :

5d17h: {

5d17h: supportedPrefixes

5d17h: {

5d17h: }

5d17h: }

5d17h: }

5d17h: },

5d17h: mc FALSE,

5d17h: undefinedNode FALSE

5d17h: },

5d17h: terminalAlias

5d17h: {

5d17h: h323_ID : "10.1.5.2"

5d17h: },

5d17h: gatekeeperIdentifier "Cisco/Selsius Gatekeeper , "ARE YOU READY?"",

5d17h: endpointVendor

5d17h: {

5d17h: vendor

5d17h: {

5d17h: t35CountryCode 0181,

5d17h: t35Extension 00,

5d17h: manufacturerCode 018

5d17h: }

5d17h: },

5d17h: timeToLive 060,

5d17h: keepAlive FALSE,

5d17h: willSupplyUUIEs FALSE

5d17h: }

5d17h: 0EC00005 06000891 4A000280 01000A01 050206B8 01000A01 0502D17D 0880013C

05010000 01400700 31003000 2E003100 2E003500 2E003254 00430069 00730063

006F002F 00530065 006C0073 00690075 00730020 00470061 00740065 006B0065

00650070 00650072 0020002C 00200022 00410052 00450020 0059004F 00550020

00520045 00410044 0059003F 002200B5 0000120E 8A02003B 01000100

5d17h: RASlib::ras_sendto: msg length 156 from 10.1.5.2:53629 to 10.1.1.10:1719

5d17h: RASLib::RASSendRRQ: RRQ (seq# 6) sent to 10.1.1.10

5d17h: RASLib::RASRecvData: successfully rcvd message of length 14 from 10.1.1.10:171914000005 06000891 4A000282 0100

value RasMessage ::= registrationReject :

5d17h: {

5d17h: requestSeqNum 06,

5d17h: protocolIdentifier { 0 0 0 0 0 0 },

5d17h: rejectReason invalidAlias : NULL

5d17h: }

5d17h:

5d17h: RASLib::RASRecvData: RRJ (seq# 6) rcvd from [10.1.1.10:1719] on sock [0x61CD1674]

5d17h: %CCH323-2-GTWY_REGSTR_FAILED: Gateway 10.1.5.2 failed to register with Gatekeeper Cisco/Selsius Gatekeeper , "ARE YOU READY?" even after 2 retriesvalue RasMessage ::= gatekeeperRequest :

Q2: Can someone please explain how the emulation of the network (user) (isdn terminology) determines the clocking (line/internal)? Does this mean, that if a PABX is master then the router must get clocking from the line.

For example: PABX(user/master)---Q.SIQ--3640----ip wan------router--Q.SIQ--PABX(user/slave). What od I need to set on both routers to make both layer 2 come up correctly?

Charles

Ebone

1 REPLY
Cisco Employee

Re: CCM and gatekeeper functionatlity/PBX network side/user side

Sounds to me like you are trying to use the Cisco CallManager as an H.323 gatekeeper. It is not designed to do so and will not function as you desire. It can "tandem-switch" calls from one router to the next based on the Called Party Number, however you cannot use session target ras on the routers because they will never be able to successfully register with CallManager as a gatekeeper.

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