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Hong Kong SIP

LINK-AZ offers carrier-grade SIP trunking service for IP-PBX systems and analog/digital telephone adapters. LINK-AZ provides a reliable network, easy on-demand service, and flexible connectivity options.

Scale your voice services, without breaking the bank

ENTERPRISE SIP TRUNKING

Inbound and outbound voice capabilities

Always have a clear, reliable, and high-quality connection with LINK-AZ’s cloud-optimized communications services.

Inbound SIP trunking / origination

LINK-AZ’s inbound SIP trunking provides unlimited concurrent call capacity. With no limitations or restrictions, you can say goodbye to capacity planning. As your volume increases, new instances are dynamically created to help you scale your voice services.

Outbound SIP trunking / termination

LINK-AZ delivers outbound call audio over the shortest path possible to increase call quality and lower call costs locally and internationally.

PHONE NUMBERS

Purchase local, toll-free, and vanity numbers in US and Canada

Have an existing phone number? Discover what makes LINK-AZ truly unique by way of its in-house porting team and proprietary customer onboarding process.

Local phone numbers

Select local telephone numbers by area code in any location across the US & Canada.

Vanity phone numbers

Choose a unique phone number that makes sense for your business from LINK-AZ’s large inventory of vanity phone numbers.

Toll-free phone numbers

Choose from a large selection of toll-free numbers including (800), (888), and (855).

Port existing phone numbers

LINK-AZ has made customer onboarding more predictable and transparent by reducing the complexities that surround the porting process.

FRAUD PROTECTION

Your security is our top priority

LINK-AZ provides account level protection to mitigate your risk of toll fraud and to further secure your business.

Disable outbound SIP credentials

Enable IP-based authentication to place outbound calls from approved IPs.

Maximum outbound rate

Block any outbound call if it exceeds a rate you have predefined in your online portal.

Destination restriction

Manually blacklist destinations to ensure no traffic is ever being sent to undesired destinations.

Destination whitelisting

Just starting out with Flowroute? Utilize destination whitelisting so we can learn your traffic patterns to proactively fend off potential fraud in the future.

International toll fraud protection

Monitor for international call fraud and take immediate action to kill unauthorized calls on your trunk and alert both you and Flowroute’s DevOps team of suspicious activity.

ADDITIONAL SERVICES

Improve your voice capabilities with custom account presets

Flowroute offers extended account functionality to enhance your voice services.

CNAM

Easily enable Caller ID on all of your Flowroute DIDs. Our Caller-ID name storage is a free service that allows you to associate a 15 character name with any Flowroute phone number on your account. It’s a proven fact, calls that display a name, as well as a number, receive significantly higher answer rates.

E911

Emergencies happen, and that is why with Flowroute’s Enhanced 911 (E911) service, you can easily attach a US or Canadian address to any Flowroute number, making sure emergency services knows where to send help as soon as your call comes in.