[asterisk-users] indications.c: Can't generate that much data!

[Eric "ManxPower" Wieling]

Steve Totaro wrote:
> Dermot Bradley wrote:
>> Linux 2.6.20, asterisk 1.2.23, mISDN 1_1_5, Digium B410P BRI card.
>>
>> When calls come in via ISDN the destination phone does ring but the
>> caller hears no ringing tone, once the SIP phone is answered everything
>> works as expected. Calls from SIP phone to SIP phone internally do let
>> the caller hear a ringing tone.
>>
>>   
> 
> Do you have the r option in the line that dials the extension coming 
> from the PSTN?

As you know "r" option to Dial is not required to generate a ringback 
tone.  If ringback tone is not being generated, adding "r" will seldom 
fix the issue.