Open source telephony engine and tool kit
Additionally, Asterisk supports a variety of telephony interfaces and provides support for traditional PSTN telephony, too.
- A variety of call related options
- VoIP Protocols
- Traditional Telephony
- ISDN Protocols
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What's New in version 11.12.1
- AST-2014-010: Resolve crash when the Message channel technology enters into the ReceiveFax application using res_fax_spandsp