VoIP
Voice Over IP
Asterisk SIP Trunk Registration Example Below you see Asterisk SIP trunk registration simple example. So edit sip.conf file and add register string to register Asterisk SIP trunk in [general] section. register=>SIP_ID:[email protected]_SIP_Provider_Host_or_IP Then fill host, username, secret with… Continue Reading
Using tcpdump for SIP and RTP Diagnostic (tcpdump examples) The tcpdump is a powerful command-line packet analyzer may use for for dumping traffic on a network. For more information about tcpdump options see man pages. Below you see tcpdump command… Continue Reading
Adtran Total Access 924 Initial Configuration Connect to CRAFT port. There is no username password by default. TA924> en TA924# TA924# configure terminal TA924(config)# interface eth 0/1 TA924(config-eth 0/1)# no shutdown TA924(config-eth 0/1)# ip address dhcp TA924(config-eth 0/1)# end … Continue Reading
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