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SMPP connection details

Host, port, protocol version and the settings your SMPP client needs.

Use SMPP if you already run an SMPP client, send high volumes, or need African countries beyond Malawi.

Connection settings

SettingValue
Hostsmpp.smsyanu.com
Port2775
ProtocolSMPP 3.4
Bind typesTransmitter (TX), Receiver (RX), Transceiver (TRX)
system_idFrom the SMPP portal. Lower-case letters and digits, up to 15 characters.
password8 characters, made by the portal. Shown once when the bind is made or the password is reset.
system_typeLeave empty
interface_version0x34
Keep aliveSend enquire_link every 30 seconds

Your IP address must be on the list

Connections are only accepted from the public IP addresses on your bind's allowlist. A connection from any other address is refused at the firewall. It is dropped before any SMPP reply, so your client sees a timeout or "connection refused", not a bind error. Add your IPs in the SMPP portal.

Before you connect

  1. Get a bind from your account manager or reseller. See Binds.
  2. Copy the system_id from the portal and set or reset the password there.
  3. Add every public IP address your client connects from.
  4. Make sure the bind has credit. A new bind starts at 0 SMS. See Credits and balance.

Quick test

  1. Bind as TRX.
  2. Send a submit_sm to a test number with registered_delivery = 1.
  3. Keep the connection open and wait for the deliver_sm delivery receipt.
  4. Check Live status and Reports in the portal.

No TLS on SMPP

SMPP runs on plain TCP port 2775. There is no TLS port. If your traffic must be encrypted end to end, ask support about a VPN or private link.

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