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Telecom Business Review | Tuesday, January 03, 2023
Companies can leverage SIP trunking to streamline communication due to its cost-effective centralized network, scalability, and disaster recovery.
FREMONT, CA: Public switched telephone networks (PSTNs) use copper-wire, circuit-switched telephone lines, requiring physical connections between two points to make a call. Packet-switched networks use packet-switched networks to transmit voice calls over a network, which divides voice calls into digital packets.
Business phone systems can benefit greatly from SIP trunking due to its cost-effectiveness. A SIP trunk may be the right solution for your company if your employees frequently make international phone calls.
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SIP trunking offers many benefits.
Centralized network: By using SIP, it is no longer necessary to use both telephone and data networks. IP-based SIP enables multiple digital streaming capabilities on the same network, making it easy to scale and requiring no physical infrastructure, which means no maintenance or hardware costs.
It allows you to connect directly to your chosen Internet Telephony Service Provider (ITSP) by removing the PSTN gateway, removing subscription charges, and allowing greater scalability flexibility.
Local call charges: SIP trunks allow all calls to be made locally using the internet, eliminating the cost of long-distance or international calls. The SIP trunk relays the call to the provider's termination point, which is transferred to a local PSTN, thus charging you only for local calls. Several SIP trunking providers offer ENUM, or telephone number mapping, so subscribers can use the same number remotely as with ITSPs. A local number based on your location eliminates the need for 800 numbers.
Scalability: SIP trunks allow unlimited channels per trunk and require no physical installation, making them flexible and easy to scale. Within hours, you can add new channels and enable them.
Disaster recovery: Legacy phone systems tend to be less flexible and resilient in a disaster than SIP trunking. Most services will have measures in place in case of a network failure, natural disaster, or hardware failure. Dispersed network operating centers, redundancy at different locations, or routing calls to different data centers can be among the options.
Using SIP trunking services will also help you create disaster recovery plans, including steps like routing your calls to a different predetermined number, using a backup trunk provider, or having a cloud or softphone system in place.
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