Short Message Peer-to-Peer (SMPP)

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Short Message Peer-to-Peer (SMPP)

is using for sending and receiving SMS-traffic between different sides.
SMPP is especially popular among active users of SMS, including aggregates and operators.


The most commonly used version of the SMPP protocol is v3.3 and v3.4. To use this method for sending you need to register an account at and generate API-password in your account.

Technical parameters SMPP 3.4
Type of connection
Port 2778
Message Mode Store and Forward
Mode of Сonnections 1 Transmitter +1 receiver OR 1 transceiver
System ID “Login”
System type systems_type=””
SMPP Version 3.4
Enquire link 30 sec
Throughput 50 sms/sec
Inactivity timeout 60 sec
Response timeout 5 sec
Source Address TON 0
Source Address NPI 0
Destination Address TON 1
Destination Address NPI 1
Validity period Absolute, Relative
Supported charset – GSM 03.38 ( 0 )
– ASCII (1)
– ISO8859_1 or Latin1 (3)
– ISO8859_5 or Cyrillic ( 5 )
– ISO8859_8 or Latin/Hebrew (7)
– UCS-2BE ( 8 )
Message types SMS, Flash-SMS