DID Numbering

DID Numbering

Are you looking for an ideal service for your business which involves conferencing, call center, calling cards that requires the same city ...

What 2APlus do
Virtual Number

SIP Trunk Services / Thailand VoIP Calls

SIP Trunk / International VoIP Calls

International Calling Cards


Hosted IP PBX

Free Branch Calls

Call Center System

Call Conference System

SMS Marketing


Virtual Number
1.Thailand-Bangkok DID numbers

2.International Phone numbers

* Forwarding calls

* Answer Calls Anywhere

SIP Trunk Services / Thailand VoIP Calls
Premium CLI- with Caller ID

Premium CLI- with DID number

Standard with Non-CLI

Getting an account


Getting an account

You can apply for new account for free by calling our Sales & Marketing Tel. +662 105 5755 or email: 2Aplus@twoaplus.com After your application has been approved, you will receive an email with your username and password. Once you sign in, you can make a couple of test calls before making a pre-payment. 


TwoAPlus accept both prepaid and postpaid service (for customers in Thailand only). You can set up your payment plan and choose either PayPal, credit card or bank transfer. 

Getting connected

The GK/Registrar Clients

The username & password can be used to connect to our SIP-server in order to make calls.

Here are the settings:

Username: Your username

Password: Your password

SIP Server / IP Address:sip2.twoaplus.com 

The Gateway Clients

If you cannot connect by using Username & Password, we can also authenticate your fixed IP address(es).

After we authenticated your IP, you can connect by using the following IP-address:

For SIP: 

We support the following codecs:




SIP Trunk / International VoIP Calls

* Premium Route

* Standard Route 

Look for more

Thai Company Long history in Telecommunications Business since 2006

Head Office

  • Two A Plus Company Limited
  • 72 CAT Telecom Tower
  • 18th Fl. Charoenkrung Rd.
  • Bangrak Bangkok Thailand 10500