Officeanywhere.
IP telephony users may not have the expertise
or resources to adequately understand Dualcall
IP telephony products to determine the requirements
for their environment. This white paper details
usage scenarios and some network examples, which
could assist users well understand how to setup
their own infrastructure correctly.
Introduction
Dualcall VoIP Gateways let customers provide voice
service over IP network with H.323, SIP,and IAX
protocols. By connecting with your existing ADSL,
cable modem or any network connection from your
ISP which allow the use of single network for
voice and data services with consequent saving
in network infrastructure and greatly reduced
telephone charges. It’s ideal solution for providing
low cost communications between headquarters and
branch offices in the world, as well as for SOHO
and enterprise telephony applications.
Officeanywhere supported gateways
BTAZ400™ Telephony Gateway
BTDX901™ Telephony Gateway
BTDX904™ Telephony Gateway
IP telephony brings users some of benefit
The first of all is save huge long distance and international phone bill. Users rely on the telephone communication every day through PBX and PSTN. IP telephony can be used to work with PBX. Corporate can migrate some long distance and international connection from PSTN to IP telephony to get the most of benefits. This white paper will give corporate operation manager and IT manager how to work in the scenarios and requirements.
Description
"Brouceknet" company has branch offices at Praha in Czech Repiblic, Budapest in Hungary and New York in United States. When business is growing up, the telephone usage is getting heavier between branch offices which make international phone bill increase dramatically. Today, the Internet infrastructure and IP telephony is getting mature. Brouceknet would like to deploy IP telephony among its branch offices. Employee can use IP telephony like extension phone call in corporate. But, every branch office has its own PBX system. They don’t want to replace it. Brouceknet chooses Dualcall's BTAZ400™ VoIP gateway, which has 4 FXO ports for connection to PSTN line or PBX extension and up to 60 VoIP channels for IP Phones. It can be use as a gateway between PBX system and IP Telephony network also can connect PSTN lines from local telecom provider. Through Internet, BTAZ400™ connect PBX system at branch offices together. Employee use PBX for domestic phone call. They can make
international call or call to employee at the other countries through BTAZ400™ and Internet now. They will not have international phone bill any more.
2. Deploy Customer
Services Hotline Using BTAZ400™
Two remote sites are connected by 2 SP5050 VoIP gateways with FXO interface and each SP5050 connect to local PBX system. This section describes how to set up a calling to local PBX extension and transfer the call to remote PBX specific extension. The configuration can be setup for hotline support. User calls the local extension, but the phone will be answered directly and the callee is located remote site.
Description
"WiSoft" company is located in Bulgaria and which is a network solution provider. It focuses on network solution development including hardware and software. Because of resource limitation, WiSoft outsourced the technical support to 3rd party. They sign a contract with software supporting company and sign hardware support contract with another company. But, they still would like customer can contact the support group via their telephone number (Toll free) published to market. Besides, after customers hear a greeting, customer can dial different extension number for different support categories.
The support company doesn’t need to have engineers work in WiSoft office. That is, the outsourced engineers still work in their office. WiSoft uses Dualcall's BTAZ400™ VoIP gateway to setup hotline infrastructure. Customers call to WiSoft’s for support. The outsourced engineers seem like answer the phone in the WiSoft office, but actually, they are working remotely.
The support companies locate at remote side (Sri Lanka & Czech Republic). If the hotline support infrastructure is built on traditional telephone system, there will be lots of long distance or international phone bill for transfer the call to the outsource company. Otherwise, WiSoft has to prepare working space for the outsourced engineers. Through the IP telephony infrastructure built by Dualcall VoIP Gateways, WiSoft corporate can have much more flexibility to build up the support team from outsourced company.
3. Free Long Distance and International Phone Bill Using BTDX901™
The basic and the most benefit of IP telephony is saving long distance and international phone bill for enterprise. This section will demonstrate how to built IP telephony with Dualcall BTDX901™ Telephony Gateway. User still make a local call via local PBX system without any difference, and make a long distance and international call through Dualcall VoIP Gateway.
Description
"Moffees" company has lots of communication by telephone among the cities all over the world, special between Poland and Hong Kong. Moffees’s headquarter is located at Poland, and have some strategic customers and sales representatives at Hong Kong. Using telephone call between Poland and Hong Kong makes the international phone call fee increase dramatically.
Headquarter at Poland has basic Internet infrastructure with ADSL connection and Dualcall BTAZ400™ VoIP gateway, but do not have any branch office at Hong Kong. They would like to save the international phone bill by using Dualcall VoIP Gateways.
At Hong Kong, they rent a space from ISP, colocate Dualcall BTDX901™ VoIP Gateway with E1 interface(30 PSTN channels). And get a PSTN (E1) line from local telephone operator to connect to BTDX901™’s E1 port. That’s all for hardware and infrastructure setup. Now, employee at Poland can free make a call to sales representatives or customers at Hong Kong without international phone charge Just for local rates.
