Quadrilandia, Lda. Portugal

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General office

Quadrilandia, Lda.
Apartado 55022, EC Galiza
Porto
,4051-401
Portugal

Phone: 351226095121
Site: http://www.quadrilandia.pt/

Hardware
Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
SIP Billing
VoIP Billing Software Provider
Voip consulting

Billing Software
Call Routing VoIP Solutions
Consultancy Services
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Installation and Support Services
IP devices
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
System Integration
Termination
Web Call
Web To Phone

Cisco Systems
Mera
Quintum

C.A.TELECOM Sistemas de Telecomunicações Lda

StarTel

Providers in database: 6433

SIP Communications of Real Time

Obviously SIP is considerably better than H.323 and complies with the understanding of IP-telephony as a global mass IP-service, and it should be implicitly considered right this way. And as SIP is able to serve not only telephony but also any communications at all in the real time over the IP-protocol; obviously it should become a base for other IP-services not yet existing but will appear in the future, as well.

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