[asterisk-ss7] Version 0.8.4 of chan_ss7 for asterisk released

[Anders Baekgaard]

An updated version of chan_ss7 for asterisk has been released as version 
0.8.4. This version has been tested against asterisk version 1.2.9.1.


From the README:
- Fixed crash when T1 expires
- Made check on audio read to detect underruns
- Fixed crash in process_acm
- Changed priority for continuity check thread
- Fixed crash in CLI command block/unblock
- Fixed CLI command output: "Unknown state: 3"
- Listen on cluster socket only when there are other cluster nodes configured
- Port for TCP connection in cluster now configurable
- Use of ast_setstate to report channel state changes
- New per link config options to enable echo cancellation in Zaptel driver
- New CIC hunting policies: sequential low-to-high and sequential high-to-low

Additional information and the source of chan_ss7 can be found at
http://www.sifira.dk/chan-ss7.

Best regards,
Anders Baekgaard