网关服务：Sip与Rtc互通，实现Web，Android，iOS，小程序，SIP座机，PSTN电话，手机互通。
Top geek's chindogu - personal assistant over satellite/telephone/SMS/chatbot, plus web infrastructure servers (web & mail, ad-free DNS, TCP-over-DNS, web proxy, etc)
How I replaced Skype with Twilio to make phone calls from my computer
☎️ A Matrix Puppet bridge for the public telephone network that supports a number of VoIP providers (Twillo, Vonage, etc.). Sends and receives voice and SMS.
Code samples to Get started quickly with Symbl's Voice SDK and APIs: Node.js, JavaScript, WebSockets, & PSTN.
Make test calls to our PSTN phone numbers and SIP/VOIP addresses
A sample app for enabling you to invite Symbl to your Zoom meetings by doing nothing more than simply copy and pasting the meeting invite in the app.
The Cryptofon Project aims to design a universal narrowband voice and text / data narrowband communication standard, that is encrypted and flexible to adapt for existing narrowband communication systems - aimed to be a more secure and open alternative to the propietary Secure Communications Interoperability Protocol (SCIP)
An E.164 analyzer and validator written in Haskell
Validate a Callback Request event from Sinch Verification using Laravel
PSTN / VoIP Configuration for Asterisk, HT-503, and Raspberry Pi
A "Trade Floor" application that can receive PSTN calls (Webex Connect) with custom IVR, and direct the caller to a Webex Meeting (by way of Webex Calling). Can also receive SIP calls from devices using a static dial string and direct them to the Webex Meeting as well.
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