hosted voip solution. image 1 pstn media gateway t1 / pri pots lines others sip servers 1.soft...

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Hosted VoIP Solution

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Page 1: Hosted VoIP Solution. Image 1 PSTN Media Gateway T1 / PRI POTS lines Others SIP Servers 1.Soft Switch 2.Registration Server 3.Others Cluster A SIP Servers

Hosted VoIP Solution

Page 2: Hosted VoIP Solution. Image 1 PSTN Media Gateway T1 / PRI POTS lines Others SIP Servers 1.Soft Switch 2.Registration Server 3.Others Cluster A SIP Servers

Image 1

PSTNMedia Gateway

T1 / PRIPOTS linesOthers

SIP Servers1.Soft Switch2.Registration Server3.Others

Cluster A

SIP Servers1.Soft Switch2.Registration Server3.Others

Cluster BSubscriber A

Subscriber B

Dat

abas

e Sy

nch

(Acti

ve, A

ctive

)

Register to specific IP address, but this would present a scalability issue.

VoIP Traffic to and from PSTN

Page 3: Hosted VoIP Solution. Image 1 PSTN Media Gateway T1 / PRI POTS lines Others SIP Servers 1.Soft Switch 2.Registration Server 3.Others Cluster A SIP Servers

DNS Based failover

PSTNMedia Gateway

T1 / PRIPOTS linesOthers

SIP Servers1.Soft Switch2.Registration Server3.Others

Cluster A

SIP Servers1.Soft Switch2.Registration Server3.Others

Cluster BSubscriber A

Subscriber B

Dat

abas

e Sy

nch

(Acti

ve, A

ctive

)

DNS Server

SRV Record_sip._udp.voip.comapnydomain.com

SRV Record with Load Sharing_sip._udp. 0 40 a.example.com

0 40 b.example.com 0 20 c.example.com 1 0 backup.somewhere.com

VoIP Traffic to and from PSTN

Page 4: Hosted VoIP Solution. Image 1 PSTN Media Gateway T1 / PRI POTS lines Others SIP Servers 1.Soft Switch 2.Registration Server 3.Others Cluster A SIP Servers

Hosted Solution

Hosted Solution

Subscriber ASubscriber B

GeoDNS GeoDNS