echo on voip calls

Transfer from China VoIP Forum On the PBX or local switch side, a small amount of power is not fully converted and returns along the original path, forming an echo. If the caller is not far from the PBX or vswitch, the echo will return very quickly and the Speaker cannot hear it. In this case, it does not matter. However, when the response time exceeds 10 ms, t

China Telecom, China's largest fixed-line telephone operator, was announced last Sunday, Reuters (Beijing, September 12) reported, the VOIP network telephone services that provide voice transmission services over the Internet will be completely banned within the scope of their business areas. VoIP is a new technology that transfers voice and video files over the Internet and provides communication and data

After html calls php, the echo is garbled. php's separate echo nbsp; Chinese Characters nbsp; are not garbled. However, after html calls php, php nbsp; echo's nbsp; chinese Characters nbsp; are garbled. Html nbsp; Yes nbsp; UTF-8 nbs html echo garbled characters afte

Html echo garbled php character set garbled after php is called Php does not contain garbled characters when echo Chinese characters separately, but after html calls php, php echo Chinese characters are garbled. Html is UTF-8; zend studio is used; the default character set of zend studio text editor is UTF-8. Who ca

How does the PHP interface return values for C # program calls be implemented in JSON format? Is it return or echo?

Solving!!! How does the PHP interface return values for C # program calls be implemented in JSON format? is return or Echo returned with return?