Saturday, April 20, 2024
Innovative SMS Gateway & Messaging solutions


Good to know: Everything around SMS and ASPSMS

SMS are sent in Switzerland since more than 20 years. 98% of text messages are read. Thus, the SMS has established itself as a very important form of communication channel and it is maintained fully also in the future.


Simple SMS
Length: 160 characters

Extra long SMS or concatenated SMS
Keep your messages short to avoid extra costs. ASPSMS can send extra long SMS. Up to 9 SMS can be linked which corresponds to a total length of 1377 characters. Costs occur for each sub-SMS.

Number format
For originator and recipient numbers, always use international standard numbers format (E.164 numbering plan), without points, brackets, spaces and special characters. The appropriate country code list by country can be found on Wikipedia Wikipedia


  • +41790000000 Mobile Phone Switzerland, Swisscom
  • +491720000000, Mobile Phone Germany, Vodafone
  • +393340000000, Mobile Phone Italy, Telecom Italia

  • Originator
    The originator can be either numeric (numbers only) or alphanumeric (letters and numbers).

  • Numeric: phone number (eg +41790000000 or 0041790000000)
  • Alphanumeric: max. 11 characters (eg Artclub)

  • Numeric Originators (phone numbers) must be unlocked for safety with a code beforehand. You receive this code on your mobile phone or your landline number. The receiver can directly reply to respond, if the phone number can receive SMS.

    The maximum length for an alphanumeric originator is 11 characters. It may not contain any special characters, including spaces. Important: the recipient cannot directly reply to a text messagee with an alphanumeric originator. Also, consider shortening alphanumeric originators:

  • University of St. Gallen: UniSG

  • Sendlog

    Messages are stored for 7 days in the productive sendlog. During this time, delivery notifications can be requested. SMSBLASTER.COM web edition keeps a detailed log.

    Delivery Notifications
    The ASPSMS System provides handset SMS delivery notifications. If a text message is successfully delievered, the recipient's handset acknowledges it and confirms receiving the SMS.

    Delivery Status

    The ASPSMS System distinguishes 4 Delivery Status.

    • Delivered (Reason: 000)
      The operator confirms the reception of the message. You can consider the message delivered.
    • Not delivered (Reason: various)
      The message could not be delivered. Possible reasons: unknown subscriber, call barred, target device is not able to receive SMS, wrong number format, etc.
    • Buffered (Reason: various)
      The message was transferred to the operator of the recipient but could not yet be delivered. At the moment, further delivery attempts are pending.
      Possible reasons: absent subscriber, device out of memory, temporary technical issue within the network of terminating operator, etc.

      The delivery status «buffered» changes within 24 hours to the final delivery status «Delivered» or «Not delivered».

      Delivered: The operator confirms the reception of the message. You can consider the message delivered.

      Not delivered: The terminating operator has given up delivering the message after 24 hours.
    • Unknown (Reason: n/a)

      Deferred delivery time: Delivery is in the future.

      Delivery notifications delayed: Due to a large SMS broadcast, delivery notifications are delayed but will arrive later.

      Missing delivery notifications: operator is overloaded
      e.g. at New Years Eve.

    Additional Info: Useful Information about Delivery Notifications and Reason Codes

    ASPSMS Credits
    For sending an SMS, you need so-called ASPSMS credits, which are purchased in advance (prepaid). The ASPSMS credits have unlimited validity and do not expire.

    ASPSMS Credit Warnings
    Always enough ASPSMS Credits on your account. You can let yourself be informed by SMS or email if your credit balance reaches or goes below a certain level. Enter as many recipients, waring levels and warning messages as you need.
    Credit Warnung


    Volume Discounts
    ASPSMS offers 5 different volume discounts. The price per ASPSMS credit depends on the amount that you are buying.

    Termination Fees
    Termination fees are charged when sending to certain GSM networks. It is handled as a multiplication factor which increases the ASPSMS credit consumption per SMS.
    Termination Fees

    To calculate the effective cost of a text message with a maximum length of 160 characters:

    Purchased volume 500 ASPSMS Credits à 0.09 CHF = 45.00 CHF
    Termination to Swisscom: 1 ASPSMS Credit x 1.00 x 0.09 CHF = CHF  0.09
    Termination to Sunrise:  1 ASPSMS Credit x 1.00 x 0.09 CHF = CHF  0.09
    Terminatoin to Salt.:    1 ASPSMS Credit x 1.75 x 0.09 CHF = CHF 0.1575 
    Purchased volume 100'000 ASPSMS Credits à 0.06 CHF = 6'000.00 CHF
    Termination to Swisscom: 1 ASPSMS Credit x 1.00 x 0.06 CHF = CHF  0.06
    Termination to Sunrise:  1 ASPSMS Credit x 1.00 x 0.06 CHF = CHF  0.06
    Termination to Salt.:    1 ASPSMS Credit x 1.75 x 0.06 CHF = CHF 0.105 

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    New User Registration

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    Available SMS tools and interfaces for ASPSMS

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    Information and announcements about the state of the ASPSMS system.

    Latest News

    ASPSMS Blog
    Indestructible: Renaissance of SMS in the Digital Age
    New SMS Blaster Windows Version: Try it out now
    Registered customers of ASPSMS receive at irregular intervals news about ASPSMS or news from the telecommunications world as well as information about planned maintenance work.
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    Supported operators in your country:

    Digitec Connect
    Lidl Connect
    OK Mobile
    Sunrise Mobile
    Swisscom Mobile