* happens for *every* incoming media frame. It iterates through every
* possible call number, locking and unlocking each one, to try to match the
* incoming frame to an active call. Call numbers can be up to 2^15, 32768.
- * So, for an call with a local call number of 20000, every incoming audio
+ * So, for a call with a local call number of 20000, every incoming audio
* frame would require 20000 mutex lock and unlock operations. Ouch.
*
* It's a shame that IAX2 media frames carry the source call number instead of