grandstream gxw4104

1. The following is the test matrix 1 (the problem is not resolved ): CalleeCaller Jain-Sip-UA X-Lite IP-video Jain-Sip-UA It can communicate normally, but the number of frames is not enough and it is not smooth.

Scenario 1 IPC + E1 Digital Card (Access) + 24-Port analog card Description: Two plates inserted industrial computer, fully integrated, the price of more than 17000 yuan (not counted industrial computer) Scenario 2 Industrial Computer + E1 Digital

video servers are the leading integrated SIP network video products, requiring only a simple dial-up to remotely view the monitor area from the SIP video phone and enable two-way voice calls to the scene. And if alarm output is set to the SIP video phone, once the alarm event occurs in the monitoring area, you can watch the scene from the far end immediately. It achieves the perfect combination of video surveillance and communication. 3.2 Flexible Remote control Remote users can dial into the

true for small upstream bandwidths that are "given" by most ISPs. Therefore, if there are 10 to 12 users in an office, it is wise to use another DSL line (preferably symmetric upstream and downstream bandwidth) for dedicated VoIP communication. If the computer used to run AAH is ready and configured with broadband connections, the next step is the telephone. Software telephones are a good choice (because many first-class software telephones are free of charge), but software telephones have to b

is called an SDP message.The problem is that the SIP terminal (UA) may not know anything about Nat. Therefore, IP addresses contained in SDP usually use internal IP addresses, that is, IP addresses known by the SIP terminal. In this way, when the communication peer wants to communicate with the SIP terminal, it will view the IP address in the SDP message, but nothing will be obtained, because the internal IP address is used here.The following is an example.Invite SIP: 040600@192.168.20.2: 5060

also said that ilbc has excellent performance in the presence of background noise, comparable to the channel without packet lossG.729.e. Implementation Scheme At present, several VoIP devices and application manufacturers have integrated ilbc in their own products. Below we list some companies that have selected ilbc for their own commercial products: Application/software Phone: Skype, Nortel, WebEx, hotsip, marratech, gatelease, K-phone, xten; IP Phone: Worldgate,