On the Web VoIP Server Tracking
On-line voip server tracking providers end users SIP messages to check if VOIP agency is more usable in VOIP servers.
VoIP Spear —
worldwide VoIP tracking and analyzing service which tracks your VoIP grade 24x7x365. No cost for private use and incredibly cheap for business usage. Http://www.voipspear.com
SIP NMS —
SIPNMS can be an internet service which utilizes distinct ip messages (ie invitation, possibilities ( sip easy communication ) to track voip nodes. Full practical presentation accounts might be updated to free of charge (with minimal operation ) or compensated accounts following the 30day test.