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On 21 June 2021, Axiata and Telenor agree to a potential merger of Celcom and Digi to create a stronger telco in Malaysia, coming after advanced discussions that took place two months earlier. [2] [3] [4] The deal was approved by both Celcom and Digi shareholders on 18 November 2022. The merged company is named CelcomDigi.
Celcom operates 2G EDGE, 4G LTE, 4G LTE-A and 5G NR networks. Celcom has broader and more extensive coverage nationwide in Malaysia, compared to other cellular operators. In 2006, Celcom claimed its dual-band GSM (900/1800 MHz) coverage had reached over 98% of Malaysia's populated area, and 100% through satellite coverage. [10]
An SMS center (SMSC) is responsible for handling the SMS operations of a wireless network. When an SMS message is sent from a mobile phone, it will first reach an SMS center. The SMS center then forwards the SMS message towards the destination. The main duty of an SMSC is to route SMS messages and regulate the process.
Tune Talk is a MVNO and a licensed Network Service Provider and Application Service Provider with Numbering Block sanctioned by the Malaysian Communications and Multimedia Commission (MCMC). On 21 June 2021, Celcom Axiata Berhad announced the sale of its entire mobile operations, including its 35% stake in Tune Talk, to CelcomDigi. [6]
GSM 03.40 or 3GPP TS 23.040 is a mobile telephony standard describing the format of the Transfer Protocol Data Units (TPDU) part of the Short Message Transfer Protocol (SM-TP) used in the GSM networks to carry Short Messages. [1] This format is used throughout the whole transfer of the message in the GSM mobile network.
The Short Message protocol itself is defined by 3GPP TS 23.040 for the Short Message Service - Point to Point (SMS-PP), [2] and 3GPP TS 23.041 for the Cell Broadcast Service (CBS). [3] Four MAP procedures are defined for the control of the Short Message Service: [1] Mobile Originated (MO) short message service transfer;
At that point, Card B’s balance is cleared out — but Card A has $1,000 added to its balance (plus any associated balance transfer fees) since you just used a balance transfer check to borrow ...
A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.