ISDN call failed...why ?

hello everybody, why can't i make an ISDN call with my 1760 cisco router ?

the IOS version in use is 12.3(18) and the BRI/DIALER configuration is this:

------------------------------------------- interface BRI0/0 no ip address encapsulation ppp dialer pool-member 1 isdn switch-type basic-net3 isdn tei-negotiation first-call isdn point-to-point-setup ppp authentication chap ! interface Dialer1 ip address 10.199.199.4 255.255.255.0 encapsulation ppp dialer pool 1 dialer idle-timeout 180 dialer string xxxxxxxxxxxxxxxxx dialer-group 1 ppp authentication chap callin ppp chap hostname MYUSERNAME ppp chap password MYPASSWORD

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here below the debug log with the option dialer events, isdn events and q931, trying to make an ISDN call:

------------------------------------------------- Apr 28 08:53:11.260: BR0/0 DDR: rotor dialout [best] least recent failure is also most recent failure Apr 28 08:53:11.260: BR0/0 DDR: rotor dialout [best] also has most recent failure Apr 28 08:53:11.260: BR0/0 DDR: rotor dialout [best] Apr 28 08:53:11.260: BR0/0 DDR: Dialing cause ip (s=10.199.199.4, d=10.199.199.254) Apr 28 08:53:11.260: BR0/0 DDR: Attempting to dial xxxxxxxxxxxxxxxxx Apr 28 08:53:11.260: ISDN BR0/0 EVENT: UserIdle: callid 0x801C received ISDN_CALL (0x0) Apr 28 08:53:11.264: ISDN BR0/0 Q931: TX -> SETUP pd = 8 callref = 0x1C Bearer Capability i = 0x8890 Standard = CCITT Transfer Capability = Unrestricted Digital Transfer Mode = Circuit Transfer Rate = 64 kbit/s Channel ID i = 0x83 Called Party Number i = 0x80, 'xxxxxxxxxxxxxxxxxx' Plan:Unknown, Type:Unknown Apr 28 08:53:11.476: ISDN BR0/0 Q931: RX

Reply to
pakka
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Hi pakka,

As a result of the routers attempt to dial the number you configured the telco-cloud send a "unassigned number" message back to your router.

Have you double-checked, that this number is correct?

Rainer

Reply to
Rainer Temme

you are right, thank you i've just found that my branch uses a strange prefix to make a call (0068) bye

"Ra>> why can't i make an ISDN call with my 1760 cisco router ?

Reply to
pakka

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