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SMPP error codes specific to 10DLC virtual numbers can be found here.  ... View more

Use the capabilities table below to assist you in choosing a number to meet all your business needs:   Number Type  Long Numbers (Direct Access) Long Numbers (Request) Short Code Toll Free Numbers Registration Type  US 10DLC – Simplified US 10DLC – Full Global Country Specific Campaign Registration Toll-Free Registration Lead Time 1-3 days 1-3 days Instant Country specific Country specific 1-14 days Transactions Per Second Low Read more here.  Low Low High (Best option) Medium Amount of Numbers 3 Unlimited Unlimited Unlimited Unlimited Unlimited Voice Yes Yes Country specific Country specific No Yes SMS Yes Yes Country specific Country specific Yes Yes RCS Yes Yes Country Specific Country Specific Yes Yes MMS Yes Yes Country Specific Country Specific No Yes 2-way Conversation Yes Yes (best option for US) Yes Yes Yes Yes Trust Medium High (best option for US) Low Low High High Vetting No Yes No No No No   If you have any questions, contact Sinch or to reach out to your Sinch Account Manager.    Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers from Sinch, to use with all your communication services. ... View more

Sinch uses Access keys (tokens) to authenticate users. Access keys are comprised of a KEY ID and a KEY SECRET.   Read the Sinch Access Keys article to learn more about Access Keys and how to access them using the Sinch Customer Dashboard. ... View more

To verify the phone numbers for your account, take the following steps: Login to the Sinch Customer Dashboard. Select Numbers from the left menu and select the Verified numbers option. The Verified numbers page is displayed:  Click ADD NUMBER. A pop-up screen requesting the number you would like to verify is displayed: Add the number you would like to verify and click SEND VERIFICATION CODE. A 4-digit verification code will be sent to the number requested. A new pop-up is dispalyed requesting the verification code: Enter the verification code and click VERIFY. A confirmation of verification is displayed:   Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

Once you're done testing our APIs using your free virtual phone number, you will need to upgrade your account before you can go live. Click here for instructions on how to upgrade your account.  Ready for the next steps? Check out our developer documentation:  Developer documentation for Conversation API Developer documentation for SMS Developer documentation for Voice. ... View more

When sending messages to different countries, customers are obligated to comply with all applicable regulations and requirements pertaining to that country. The  Sinch Customer Dashboard contains comprehensive Country Information pages, which detail regulatory and compliance information to help you communicate successfully with different countries.   To access the country information, take the following steps:   Login to the Sinch Customer Dashboard. Select SMS from the left menu and select the Country Information option under the TOOLS submenu. The Country Information page is displayed: Select the country for which you would like more information about from the Country dropdown and click DISPLAY INFORMATION. In this example, we have selected Japan:  In most cases, the information displayed applies to SMS messaging. Categories displayed will vary depending on available information. For Japan, we see the major operators, supported features, 1-Way and 2-Way communication options, number portability being available, forbidden content types, and links to regulator info.    Important: Take careful note of the message at the beginning of the page. Country information can change, so check back regularly.      If you have any questions, contact Sinch or reach out to your Sinch Account Manager. We are always happy to help!    Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

Virtual numbers are charged per number, per month (typically, but can also be bi-monthly, quarterly or half-annually or annually) from account funds in your Sinch Customer Dashboard.   The amount you will be charged can vary and depends on the following factors:   Number capability: Voice and SMS, just voice, or just SMS Number type: toll-free, local (direct access), or short code The country To see specific pricing try plugging a few scenarios into the Sinch Customer Dashboard.    Learn how to get a virtual number. Learn more about billing.   ... View more

To check the status of a requested virtual number:   Login to the Sinch Customer Dashboard. Select Numbers from the left menu and select theYour virtual numbers option. The Your Virtual Numbers page is displayed. Click the REQUESTS tab. A list of the virtual numbers you have requested and the status for each is displayed:    If you have additional questions on the status of a requested number, contact Sinch or reach out to your Sinch Account Manager.    More information on typical time frames for virtual number approval.   Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

To get a short code, take the following steps:    Go to your Sinch Customer Dashboard. Follow these instructions to search for a virtual number. Click REQUEST NUMBER for either SMS or MMS, depending on your need. Enter the requested information and follow the remaining prompts to request a short code number.  Learn more about short codes.   Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

If  you would like to request several numbers at once (or for multiple simultaneous number activations), contact Sinch or reach out to your Sinch Account Manager.    Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

Yes you can use your current mobile business number(s) with Sinch but you will need to port the number(s) across to us. Please contact Sinch or reach out to your Sinch Account Manager, if you would like to move your numbers to Sinch.   Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more

At the end of your rental period for a number, the number will be released and returned to the Sinch numbers inventory. The number will then be quarantined (held back from further use) for a period of 30 days before it is available for others to use.    Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch. ... View more