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Try using the 'bearer-capability speech' command on the Voice Ports between your router and PBX/PSTN.http://www.cisco.com/en/US/customer/tech/tk652/tk701/technologies_tech_note09186a0080093f62.shtml
HERE IS THE LONG ANSWER:By Cisco concept, every call that traverses the router must match both an inbound and an outbound peer. This gets a little confusing and a lot of people that I have come across do not understand this process but I will attemp...
Try the following steps:rommon 1 > dir flash:rommon 2 > boot flash:If it does not boot up, go to this URL and load a new IOS on the router because either you don't have an IOS or it is corrupt:http://www.cisco.com/en/US/products/hw/routers/ps259/prod...
Have you tried using the 'voice rtp send-recv' global configuration command?Cisco recommends "command should be enabled only when the voice path must be cut-through (established) in both the backward and forward directions before a Connect message is...
How do you know it is due to your Boot Flash? When your router crashes, it stores all crashinfo files into bootflash (most models). If you haven't already, you need to look at the latest crashinfo file (open in notepad) and see what process is caus...
