Extrafon GmbH Switzerland

extrafon

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General office

Extrafon GmbH
Kluggasse 10
Rapperswil
,6840
Switzerland

Phone: +41 552 118 080
Phone: +41 796 636 686
Site: http://www.extrafon.net

Contact Person

Adi Surpin / Management
Phone: +41 552 118 080
Phone: +41 796 636 686

Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Network Service Provider
SIP Billing
Voip consulting

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Collaboration
Consultancy Services
E1 Bulk Wholeseller
Gatekeepering
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
IP devices
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
Project Mangement Services
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Cisco Systems
Quintum
Sonus Network

Billing system of own development
Custom Open Source Billing Solution

IT factory ag

aComm

Providers in database: 6433

Detailed description of SIP protocol

SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.

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