Allstream
Allstream is a North American business communications and managed IT services provider focused on voice, collaboration, connectivity, and cloud-based network solutions for enterprises and public-sector organizations.
- Cloud-based unified communications and collaboration services (UCaaS)
- Voice, Session Initiation Protocol (SIP) trunking, and hosted PBX services for business telephony
- Internet access, Ethernet, and private networking services for multi-site connectivity
- Managed network services, including monitoring and support for connectivity and voice infrastructure
- Contact center and collaboration solutions integrated with enterprise workflows
More About Allstream
Allstream provides business communications and managed network services designed for enterprises, midmarket organizations, and public institutions that require predictable connectivity and voice capabilities across distributed environments. Its portfolio centers on cloud-based unified communications, voice services, and data connectivity, delivered over managed network infrastructure with service-level commitments and support.
The company’s unified communications and collaboration offerings (UCaaS) enable organizations to standardize telephony, messaging, presence, conferencing, and collaboration features on a cloud platform instead of on-premises (on-prem) PBX hardware. These services typically support SIP (Session Initiation Protocol) for call signaling, Voice Over Internet Protocol (VoIP) (Voice over IP) for media transport, and integration with IP phones, softphones, and collaboration clients used on desktop and mobile devices. For enterprise architects, this positions Allstream as a provider in the unified communications, collaboration, and managed voice domain.
Allstream’s voice service portfolio includes SIP trunking (enterprise telephony connectivity), hosted PBX (cloud telephony), and related business calling features. SIP trunking replaces legacy Tamper Detection Mechanism (TDM) trunks with IP-based connectivity to a customer’s on-prem PBX or UC platform, while hosted PBX services move call control into Allstream’s cloud infrastructure. These services are typically used to consolidate voice infrastructure across branch offices, reduce dependency on local PSTN lines, and align telephony with IP-based Wide Area Network (WAN) or Software-Defined Wide Area Network (SD-WAN) architectures.
In connectivity, Allstream offers internet access, Ethernet services, and private networking options that support multi-site enterprises across Canada and the United States. These services are used to link headquarters, branches, and data centers, and to provide access paths to cloud-based applications and collaboration platforms. Managed network services cover provisioning, monitoring, and support for circuits and associated Customer Premises Equipment (CPE), giving IT teams a single provider for both connectivity and business voice services.
Allstream also provides contact center and collaboration solutions that extend its core UC and voice capabilities into customer engagement scenarios. These services help organizations route inbound calls, manage queues, and integrate voice channels with broader contact center workflows and reporting. In many enterprise environments, these offerings are deployed alongside CRM or ticketing systems, with Allstream delivering the telephony and connectivity layers.
From a marketplace taxonomy perspective, Allstream aligns with categories such as unified communications as a service (UCaaS), business voice and SIP trunking, hosted PBX, managed network services, internet and Ethernet connectivity, and contact center telephony. Its services are generally positioned as subscription-based, carrier-grade communications and connectivity solutions with managed support for enterprise and institutional customers.