Hi,
I installed a UC560 connected to six ISDN lines representing three different companies(let's say their names are A,B and C) which share their IT infrastructure. Depending on the intern extension, appropriate caller ID's should be used (three different numbers), I tried to configure this via CCA.
For example I configured company A's number to be shown when extension 10-20 are calling and company B's number to be shown when extensions 30-40 are calling. Company C's ISDN line is basically never used as the provider is permanently forwarding incoming calls to a mobile phone.
At first everything worked as expected, but from time to time wrong caller ID's are shown when calling numbers outside the company. For example when extension 14 was calling, which was configured to show company A's caller ID, company C's number is shown.
Did I configure anything wrong or is the caller ID influenced by the outgoing ISDN line? (All lines are in the same PSTN Trunk "ALL_BRI") Do I have to configure seperate PSTN Trunks for every ISDN number? (Which would lead to fewer call slots being available as company C's line would never be used)
Kind Regards,
Rainhard
