1 Compliance & Regulatory

TRAI URL, APK and Callback Number Whitelisting: What Every SMS Template Actually Needs

TRAI’s whitelisting rules block any SMS that carries a URL, APK link, OTT link or callback number that wasn’t pre-registered with your telecom operator. Here’s what gets whitelisted, how the submission actually works, and where it sits next to DLT template registration.

Read More
1 Platform Operations

Running a CRM, E-Commerce, and Spreadsheet Connector Together on One SMPP Center Account

If you’ve turned on a CRM connector, an e-commerce plugin, and a spreadsheet connector on the same SMPP Center account, they don’t run in separate lanes. They share one wallet, one delivery-report stream, and one TPS cap. Here’s what that actually means operationally, and how to stop the same contact from getting hit three times in an hour.

Read More
1 Channels

SMPPCenter’s WhatsApp Business API: Airtel BSP, Templates, and the 2025 Pricing Shift Explained

SMPPCenter’s WhatsApp Business API runs on Airtel as the Business Solution Provider, not a generic Meta integration. Here’s what that actually means for templates, pricing, and how fast you can scale sending, grounded in Meta’s own platform rules rather than marketing copy.

Read More
1 Protocol Deep Dive

SMPPCenter’s Default 10 TPS Limit, and How the Pricing Tiers Actually Raise It

Every SMPPCenter account starts at 10 TPS. Here’s what that ceiling actually controls, what ESME_RTHROTTLED means when you hit it, why adding more binds doesn’t get you around it, and the only path that actually raises the number: moving to a higher pricing tier.

Read More
1 Compliance & Regulatory

DLT Registration in India: Principal Entity, Header, and Template, Explained

Every commercial SMS sent in India has to clear three separate registrations before it reaches a phone: the sender’s Principal Entity ID, the header (sender ID) it’s sent from, and the exact content template being used. Here’s what each one actually is, how they fit together, and why cutting corners on any of them is riskier now than it used to be.

Read More
1 Integrations

Excel vs Google Sheets vs Airtable for Bulk Messaging: Which Connector Fits

SMPPCenter actually ships three different spreadsheet integrations: an Excel add-in, a Google Sheets connector, and an Airtable connector. People tend to lump them together, but they’re not interchangeable. One’s a manual desktop tool built for reseller-branded one-off campaigns; the other two run in the background and fire on their own when a new record shows up. Here’s how to tell which one you actually need.

Read More
1 Integrations

WooCommerce, Shopify, and Magento 2 SMS Plugins: How Each One Actually Triggers a Message

WooCommerce, Shopify, and Magento 2 messaging integrations look similar on the surface, but they run on three different trigger mechanisms, two different setup paths, and one genuinely different commercial model. A side-by-side breakdown of what each one covers and what still needs manual setup.

Read More
1 Integrations

Salesforce, HubSpot, and Zoho SMS Connectors: What They Automate (and What You Still Configure)

A side-by-side breakdown of the Salesforce, HubSpot, and Zoho CRM connector plugins: what triggers automatically, what still needs manual field mapping and template approval, and why all three run on polling instead of native CRM webhooks.

Read More
1 Platform Operations

Payment Gateway Integration for SMS Platforms: What Auto Wallet Credit Actually Automates

A breakdown of how automated payment-to-wallet crediting works for SMS aggregators and resellers: which gateways are supported, how webhook signature verification and idempotency prevent double-crediting, how reseller merchant-credential isolation works, and what still requires manual operational discipline.

Read More
1 Integrations

SFTP Bulk SMS Campaigns: An Operations Runbook for File-Drop Messaging at Scale

File-drop SMS integration removes the API dependency, but it does not remove the need for operational discipline. This is the runbook for running an SFTP-fed campaign pipeline without losing records, missing reports, or double-sending a batch.

Read More

Need Help Choosing?

Talk to an SMPP software specialist about your traffic volume, protocol, and deployment model.

Talk to Sales

SMPP Center

Operator-grade SMPP client & server software for aggregators and enterprises. 13 years running production SMS traffic.

Ads

SMPP Software