Carriers & VoIP Providers

Wholesale voice, SMS and DIDs for carriers and VoIP providers

Voice termination priced by origin and destination, A2P SMS over SMPP 3.4 or REST, and inbound numbers – on one account, after KYC and an interop test.

Voice from €0.0033/min (Mexico, indicative). Final rates depend on origin, volume and route type.

Request rate deck Interconnect details
Your switch connects to OmaxTelecom over SIP or SMPP; traffic is routed to carriers per destination Your switch / SMSC SBC, softswitch or messaging platform OmaxTelecom routing by destination and origin Carriers & operators fixed and mobile networks SIP · SMPP 3.4 A–Z routes

Who it's for

Built for carriers and voice platforms

Wholesale carriers

Carriers buying A–Z or destination-specific termination to complement their own routes, with origin-based pricing per destination.

VoIP and UCaaS providers

Hosted PBX, SIP trunking and UCaaS platforms that need outbound termination and local inbound numbers for their customers.

CPaaS and messaging aggregators

Platforms that route A2P SMS on behalf of their own customers and need an SMPP 3.4 or REST connection with per-country pricing.

Technical

How the interconnect works

SIP interconnect

SIP over UDP, TCP and TLS. Codecs G.711 a-law and u-law, G.729 and Opus; T.38 for fax. Authentication by IP or credentials.

Origin-based voice pricing

Rates depend on where the traffic originates as well as the destination. EU destinations are typically priced separately for EU and non-EU origins.

SMPP 3.4 and REST for SMS

Bind over SMPP 3.4 or send over the REST API. Sender ID registration is required in many countries; we handle it as part of onboarding.

Quality reporting

Call detail records with ASR, ACD and PDD per destination, so you can compare route performance against your own targets.

Products

Relevant products

Indicative. Final rates depend on origin, volume and route type.

Voice

Wholesale voice termination

A–Z and destination-specific routes with CLI, priced by origin and destination.

From €0.0033/min (Mexico). Indicative.

View details Messaging

A2P SMS over SMPP and REST

A2P messaging to 200+ countries with sender ID registration handled during onboarding.

From €0.003/message (India). Indicative.

View details Numbers

Wholesale DIDs

Local, national and toll-free numbers in 200+ countries for inbound voice.

From €0.86/month (United States). Indicative.

View details Interconnect

Interconnect details

SIP and SMPP connection parameters, supported codecs and the voice onboarding sequence.

View details

Onboarding

From KYC to live traffic

  1. KYC and agreement

    Company verification and a signed services agreement before any production route is issued.

  2. Traffic profile

    Destinations, origins, expected volume, CLI and dialling pattern for voice; countries, sender IDs and use case for SMS.

  3. Interop test

    SIP test trunk or SMPP test bind to confirm signalling, codecs, CLI presentation and message delivery.

  4. Rate deck

    A rate deck for your origins and destinations. Indicative public rates are a starting point only.

  5. Live with a credit limit

    Production traffic starts within an agreed credit limit, prepaid by default, which is reviewed as volume grows.

See our compliance and KYC process and the Acceptable Use Policy.

FAQ

Frequently Asked Questions

Many destinations, particularly in the EU, apply different termination charges depending on whether the call originates inside or outside the region. We price by origin and destination so that the rate you see matches the route the call actually takes. Tell us your origins in the traffic profile and the rate deck will reflect them.

SIP over UDP, TCP and TLS. Codecs: G.711 a-law and u-law, G.729 and Opus. T.38 is available for fax. Trunks authenticate by IP address or by credentials.

SMPP 3.4. Connection details are published at smpp.omaxtelecom.com and on the Interconnect section of our Network page. The REST API is available as an alternative.

Yes, on CLI routes the caller ID you send is presented at the destination, subject to the destination's own rules. Spoofed or invalid CLI is not permitted under our Acceptable Use Policy.

After KYC and a short interop test. Timing depends on your traffic profile.

Robocalls, wangiri, artificially inflated traffic, SMS pumping and any traffic without a lawful basis. The full list is in our Acceptable Use Policy.

Ready to route traffic with OmaxTelecom?

Tell us about your traffic and we'll come back within one business day with pricing and onboarding steps.

Request rate deck Interconnect details

Business accounts only · KYC required before production · Prepaid wallet