Person to Person SMS, or Peer to Peer SMS (P2P SMS) are a type of SMS that flow between two end users via their individual home networks. It is distinctly different from A2P SMS in that it can easily be replaced by OTT messaging.
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Over the Top (OTT) messages are messages that flow through the data network of a mobile operator as opposed to the core network. OTT suggests something that flows ‘over the top’ of the core network. For example, a P2P SMS message travels through the core signalling infrastructure of a mobile operator, where a WhatsApp message will flow through the data connection of a mobile operator (just like any other data). In this context a WhatsApp message is regarded as an OTT message.
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An Over the Air (OTA) SMS is an SMS message that is frequently used by mobile operators to provision or modify core network settings on a handset. These messages are used to optimize configuration settings e.g. SMS Service Center, web settings, or to provision new services such as MMS.
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The originator of an SMS is the label describing who or where an SMS is sent from. The most common originator is a mobile number (MSISDN), as this is what is displayed when an SMS is sent from a mobile handset.
Read the What are alphanumeric sender IDs? article to learn more.
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The process through which a Subscriber revokes consent after receiving Notice from the Mobile Marketer. An example of an Opt-out process includes, but is not limited to, a Subscriber replying to an SMS message with the phrase “STOP.”
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One-way messaging refers to a particular type of messaging campaign which involves the sender sending a message in a format such as SMS without giving the user the ability to reply. The main way to accomplish one-way messaging is through an Alphanumeric Sender ID.
One way messaging is useful for applications such as marketing campaigns, where you want to "get the message out" to a wide range of recipients without having your number bombarded with replies.
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The process and timeframes for launching RCS Agents vary by region and
carrier. The best way to ensure a quick and smooth launch is to ensure
all guidelines are followed and all required information is provided in
a timely manner. Note: RCS requireme...
RCS for Business coverage is growing. New countries and carriers are
added regularly. We aim to update this article as soon as changes
happen, but we recommend that you reach out to Sinch to get the latest
information. Currently Sinch supports sendin...
The Sinch MCP server enables customers who build Agentic experiences to
easily use Sinch services for communication. The Sinch MCP Server
provides AI Assistants such as Claude or code builder such as Cursor or
agent builders such as Google, with easy...
Sinch offers communication services that help businesses connect with
their customers, on the communication channels of their choice. The
Sinch MCP Server makes a number of these services available through a
series of tools. Refer to the Sinch MCP Se...
Here is the list of tools available in the MCP server (all the phone
numbers must be provided in E.164 format, e.g., +33612345678 for
France). Conversation Tools Tool Description Tags send-text-message Send
a plain text message to a recipient on a su...
Hi Edwin, Thanks for your query. Let me reach out to the Chatlayer team
and I will get abck to you with some guidance on how best to proceed.
Thanks and kind regards,
Hi Glenn, Currently we do not have a Project API available for external
use, but we do have one in development - so watch this space. If you
have any specific requirements or need that please reach out to Sinch
Support who should be able to advise yo...
