strftime Asterisk func
Dialer in one hour
asterisk: sip remove header
Asterisk:[general] section of sip.conf
Register a sip client to asterisk
Asterisk : Remote-Party-Id
Web Interfaces
Distributed Universal Number Discovery (DUNDi)
Clustering
Asterisk Gateway Interface (AGI)
Asterisk Manager Interface (AMI)
Fax
Text-to-Speech Utilities(external services)
LDAP Integration(external services)
Out-of-Band Messaging (Messaging Infrastructure)