A-Z Wholesale Voice Termination

Wholesale VoIP Termination with Grey, Standard and Premium routes

CallTrading provides international wholesale VoIP termination for resellers, call centers, PBX platforms and telecom companies that need flexible SIP connectivity and transparent route options.

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Route options

Grey: lowest possible rate, no guaranteed quality
Standard: low rate and high quality balance
Premium: best possible quality for sensitive traffic
Calls are billed per second unless a destination states different increments

Getting an account

Open an account through the Sign Up page and follow the instructions. After your application has been approved, you receive account access details.

After login, the MyAccount area can be used to review rates, account status, payments and billing information.

New accounts are inactive and will not work without a recharge. No test credit is provided.

Payments

CallTrading is a prepaid service. Payment options are managed through account communication and available payment methods.

Prepaid service only
EUR billing
Bank transfer, card payment link and crypto options
No monthly volume commitment

Dialling formats

Each route has its own dialling format. Example for calls to Germany:

Route	Example format	Best for
Grey	00 49 12345678	Lowest-cost traffic
Standard	000 49 12345678	Balanced quality and price
Premium	0000 49 12345678	Best route quality

Getting connected

The username and password can be used to connect to the SIP server and make calls.

Username: your username
Password: your password
SIP / Proxy registrar: sip.calltrading.net
Domain / Realm: sip.calltrading.net
IP authentication: possible on request
SIP IP: 87.126.165.59

Supported codecs

G.711A / PCMA
G.711U / PCMU
G.729

If you use a hosted VoIP softswitch provider, make sure you use IP addresses uniquely assigned to your account.

For resellers

Build your own international voice service using wholesale A-Z termination routes.

For call centers

Route outbound campaigns, customer care and sales traffic through SIP termination.

For PBX systems

Connect Asterisk, FreeSWITCH, 3CX, Issabel, VitalPBX or other SIP platforms.

Questions?

Please visit the Help page first. There is a good chance your inquiry is already answered there.

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