1.Adopt VA708DE Series Gateways
• The VA708DE series gateways can well work with
the existing Stored Program Control (SPC) switch.
• You can access all internal extensions of the
enterprise to VAVAA global telecom system without
changing the existing communications structure.
• Enterprises can add a number of VA708DE series gateways based on their varied needs. • Quite a few conventional VOIP devices cannot be
put into use immediately after purchased. •You have to invest a huge amount of money for
system construction and inevitable maintenance. • On the contrary, you can use VA708DE series
gateways right away and advantageously dispense with
maintenance. The VA708DE series gateways are
unimaginably easy-to-use.
A、Introduction to VA708DE Gateway
You can call a conventional fixed or mobile phone from any internal extension through the third-party terminating service without changing any extension number. By dialing the gateway number from other VAVAA phones, you can connect to the exchange, set polyphonic ringtones, and add gateways to 8, 16 or 32 ports at will. B、Description of VA708DE Gateway • VA708DE series gateways are specially designed
for enterprises. A VAVAA communication channel is added
to the existing communication structure of the
enterprise by connecting a gateway with the external
line of the SPC exchange, so that all the ordinary
internal extensions can be connected with the VAVAA
global telecom network. You can realize free
communication across the world without changing any
setting of internal extensions.
• To call VAVAA phones more conveniently and quickly from an internal extension, it is recommended to use the SPC exchange with co-line group function.
VA708DE
Gateway Architecture
(1)Dial Global VAVAA Number From Enterprise Extensions
As shown in the above figure, you dial “9” from extension 803 and then dial the IP phone number “835678xxxxx#” after hearing the buzz. Then the call is established between extension 803 and 835678xxxxx#.
(2) Call Enterprise Extensions From IP Phone
After dialing the gateway
number “831234xxxxx” from any VAVAA number, you can hear
the voice announcement “Hello, XX Company. Please dial
extension or press “0” for operator.” And at the same
time, you are connected to the existing SPC exchange of
the company. Then you can dial “803” and enjoy free
conversations after the extension user answers the call.
(3) Call Conventional Fixed or Mobile Phone from
Enterprise Extension
Requirement:Before
calling a fixed or mobile phone user, you need to pay
for the use of gateway number 831234xxxxx and purchase
related services from the gateway service provider (SP).
You can set the payment SP code "800830xxxxx" and
password over the WEB page.
Dialing method: To call a conventional mobile phone from extension 801, you shall dial “9” to connect with the external line and then “0+133123xxxxx#” to wait for the mobile user to answer the call.
2.Adopt VA708DC Series Gateways
• The VA708DC series gateways
can well work with the Centrex.
• If you are a Centrex user of local telecom without a SPC exchange, you may use VA708DC series gateways.
• VA708DC series gateways provide an important function
as follows:
You can switch all conventional fixed or mobile phones,
and other VAVAA phones to be the extensions of your
enterprise, and expand your extensions infinitely
throughout the world.
• You may connect VA708DC series gateways directly with
conventional local telephone cables.
A、Introduction to VA708DC Gateway
By using VA708DC gateway,
you can:
• Connect VA708DC gateway
directly with conventional local telephone cables.
• Dial the existing numbers of the enterprise from a
fixed phone as before.
• Expand your extensions infinitely within the
enterprise.
• Expand your enterprise extensions throughout the
world.
• Set all your fixed phone, mobile phone or VAVAA
numbers to be extensions of your enterprise.
• Add several enterprise gateways to realize infinite capacity expansion.
B、Description of VA708DC
Gateway
The VA708DC gateway is
specially designed for Centrex users and the Call Center
(CC). After setting your conventional fixed or mobile
phone numbers to be enterprise extensions, you can dial
any global VAVAA number through VA708DC gateway and any
global user can make free calls to your fixed or mobile
phones.
• You can expand enterprise
extensions infinitely throughout the world
• The original dialing habits
remain unchanged
• Some conventional CCs can
adopt VA708DC gateway to support and increase Internet
calls without changing the existing structure
VA708DC Gateway Connection
Diagram

(1) Connect a
Centrex User with VA708DC Gateway

One Number Links You
(ONLY): After activating the ONLY service, you can:
• Unify several of your ordinary communication numbers
(for example, mobile number, pager number, office
number, voice mailbox and home number) into one new ONLY
number so that you can be conveniently connected through
this number.
• Change profiles (for example, home, office or
outside) easily over Internet, or following the voice
prompt through any fixed or mobile phone.
• Set such modes as time segment, and holiday.
• Set the forwarding sequence and answering modes at
will.
• Enjoy free conversation at home or office if you are
connected through your ONLY number.
Therefore, you can dispense with a host of
inconveniences of answering a call by using the ONLY
service.
Centrex: Centrex is a type of PSTN-based virtual
user switch service. It actually defines partial users
(including ISDN users) of carrier-class switch as a
basic user group. Users in this group can enjoy not only
all functions entitled to ordinary and ISDN users, but
also all functions of the Private Automatic Branch
Exchange (PABX) and some new features that fixed phone
and PBX are devoid of. Centrex is an advanced telecom
product used to upgrade or replace the PABX.
Functions:
"Centrex" functions = Ordinary local call
functions + PABX functions + new service functions
Performance Features:
• Save conversation fees: The intra-group calls
are free of charge, and only out-group calls are
charged.
• Save investment: You can dispense with the
investment in PABX, air-conditioning in equipment room,
trunk line and management & maintenance.
• High connection rate: The speech channel will
no longer be congested due to the deficiency in trunks.
• Dedicated numbering scheme: The intra-group
number can be selected at will.
• The comparatively distributed users can be
centralized to the same user group.
• Integrated functions: Centrex features the
functions of PSTN, PABX and other new functions.
•
Variety in dialing mode: A Centrex user has two numbers,
that is, a long number (that is, local number) and an
abbreviated number (intra-group number), and they can
co-exist. Centrex enables distinctive ringing for
intra-group and out-group incoming calls. To call an
intra-group number, an out-group user can directly dial
the local number of the Centrex group, or forward the
call through the operator. Intra-group calls can be made
only by dialing the internal extensions.
• Convenient capacity expansion: You can realize
infinite capacity expansion without adding any device.
When a new service is deployed, all Centrex users can
apply for it.
• Stable and reliable performance: The planned
and unified equipment management by the telecom branch
ensures optimal management & maintenance and stable and
reliable equipment operation.
• Easy to introduce new functions and upgrade:
You can easily introduce advanced technologies and
deploy new services and functions. The network is easily
scalable along with the hardware & software upgrade of
public network equipment.
(2) Set Virtual
Extensions of VA708DC Gateway

(3) Call Users of
Other Networks From Internal Extensions
To call the IP phone number 830123xxxxx# from Centrex extension 83123xxx, you shall first dial “34xx” and then “830123xxxxx#” after hearing the buzz. You can enjoy free conversations after the IP phone user answers the call.
If the IP phone is already set to be an extension of the gateway, you shall first dial “34xx” and then dial “603” after hearing the buzz. You can enjoy free conversations after the IP phone user answers the call.
(4) Call Internal
Extensions from an IP Phone
To call an internal extension 610 from the IP phone 838123xxxxx, you shall first dial the enterprise gateway number 831234xxxxx. After hearing the pre-recorded voice announcement “Hello, XX Company. Please dial extension number or press “0” for operator”, you shall dial “610” (local call number: 83123xxx) and enjoy free conversations after the extension user answers the call.
(5) Call a
Conventional Fixed or Mobile Phone From Internal
Extensions
Note: Before calling a fixed or mobile phone, you need to pay for the use of gateway number 831234xxxxx and purchase related services from the terminating telecom gateway SP. You can set the telecom gateway SP code "800830xxxxx" and password over the WEB page.
To call a conventional mobile phone from extension 610 (local number: 83123xxx), you shall dial “34xx” and then “0+133123xxxxx#” after hearing the buzz. |