VoIP
Voice Over IP
List of SIP response codes 1xx—Provisional Responses 100 Trying Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. 180 Ringing Destination user agent received INVITE, and is alerting user of… Continue Reading
FusionPBX Rejecting Incoming Calls From SIP Trunk Usually fresh installed FusionPBX Rejecting Incoming Calls From SIP Trunk by default. To fix problem you need add carrier to the domains acl set the node CIDR to allow. Like ProviderIP/32 under CIDR.… Continue Reading
T38 FAX. Cisco SPA122 Configuration How to enable T38 FAX support on Cisco SPA122 VoIP adapters. Proxy and Registration In “Proxy and Registration” and “Subscriber Information” fill Proxy: YourSIP.Server User ID: SIP Username Password: SIP Password NAT… Continue Reading
Configure Distinctive Ring on Grandstream For set up Distinctive Ring on Grandstream GXP2130, 2140, 2160 phones Goto: Accounts -> Select the account (1,2,3 or 4) -> Call Settings In section Match Incoming Caller ID fill Matching Rule fields For example:… Continue Reading
How to fix Cisco SPA504G Time In “Regional” tab Set: Ignore DHCP Time Offset: yes Daylight Saving Time Enable: yes Daylight Saving Time Rule: start=10/1/7/03:0:0;end=4/1/7/02:0:0;save=1
How To Enable Web GUI on Adtran Totall Access TA 924 from console, and configure static IP on Ethernet port First you need connect your Adtran TA to your PC via console port. Also make sure your computer and Adtran… Continue Reading
How to capture SIP packets with tcpdump (example) tcpdump -nt -s 0 -A -i eth0 port 5060 -w call.cap Tcpdump will create file call.cap Capture DHCP requests with tcpdump
Verto (VER-to) RTC is a FreeSWITCH endpoint that implements a subset of a JSON-RPC connection designed for use over secure websockets. This allows a web browser or other WebRTC client to originate a call using Verto into a FreeSWITCH installation… Continue Reading
ERROR DE DB: Error de conexion a la base de datos… After updating Elastix MT you may have problem: ERROR DE DB: Error de conexion a la base de datos – SQLSTATE[28000] [1045] Access denied for user ‘asteriskuser’@’localhost’ (using password:… Continue Reading
During the install FreeSWITCH on CentOS (Centos/RHEL 6.4 and 6.5, 6.6) you may getting an error: “You must install libldns-dev to build mod_enum. Stop.” yum install libldns-dev can’t help: No package libldns-dev available Error: Nothing to do The EPEL repo… Continue Reading