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sip-skype-PSTN network

This project received 9 bids from talented freelancers with an average bid price of $382 USD.

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Total Bids
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Project Description

here are the network requirements:
Calls from PSTN -> to SIP gateway -> ask for destination -> connect to IP Phone_or_Softphone (note: each IP phone/softphone will be configured with a DID 1-555-xxx-xxxx)
Calls from Skype -> Skype to SIP gateway -> ask for destination -> connect to IP Phone_or_Softphone
(skype to sip is either hardware or software)
Call from IP phone -> ask for PIN -> ask for destination -> Skype? Send to skype gateway. SIP? Send to net2phone (note: how do an IP dial to a skype account using a translation table? How the user can enter the translation using web interface?)
All calls go through MBB_SIP_Server
Incoming, SKYPE->SIP and SIP->SKYPE calls are charged 10c/min to call receiver PIN (if no money on PIN the call does not go through)
Other calls are charged by a rate table

The job:
create a network diagram
recommend hardware vs software implementation of gateways
recommend cloud vs hardware as a host
rhere are the network requirements:
Calls from PSTN -> to SIP gateway -> ask for destination -> connect to IP Phone_or_Softphone (note: each IP phone/softphone will be configured with a DID 1-555-xxx-xxxx)
Calls from Skype -> Skype to SIP gateway -> ask for destination -> connect to IP Phone_or_Softphone
(skype to sip is either hardware or software)
Call from IP phone -> ask for PIN -> ask for destination -> Skype? Send to skype gateway. SIP? Send to net2phone (note: how do an IP dial to a skype account using a translation table? How the user can enter the translation using web interface?)
All calls go through MBB_SIP_Server
Incoming, SKYPE->SIP and SIP->SKYPE calls are charged 10c/min to call receiver PIN (if no money on PIN the call does not go through)
Other calls are charged by a rate table

The job:
create a network diagram
recommend hardware vs software implementation of gateways
recommend cloud vs hardware as a host
recommend linux vs windows OS
budget the implementation

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