Domain
Networking & Telecom
Skill Profile
VoIP / SIP Protocol
VoIP: SIP protocol, RTP, codecs, PBX systems, Asterisk, FreeSWITCH, Kamailio
Networking & Telecom
Telecom
Roles
1
where this skill appears
Levels
5
structured growth path
Mandatory requirements
3
the other 2 optional
Group
Telecom
Last updated
3/17/2026
How to Use
Choose your current level and compare expectations. The items below show what to cover to advance to the next level.
What is Expected at Each Level
The table shows how skill depth grows from Junior to Principal. Click a row to see details.
| Role | Required | Description |
|---|---|---|
| Telecom Developer | Understands the fundamentals of VoIP / SIP Protocol. Applies basic practices in daily work. Follows recommendations from the team and documentation. |
| Role | Required | Description |
|---|---|---|
| Telecom Developer | Independently applies VoIP / SIP Protocol in practice. Understands trade-offs of different approaches. Solves typical tasks independently. |
| Role | Required | Description |
|---|---|---|
| Telecom Developer | Required | Has deep expertise in VoIP / SIP Protocol. Designs solutions for production systems. Optimizes and scales. Mentors the team. |
| Role | Required | Description |
|---|---|---|
| Telecom Developer | Required | Defines VoIP / SIP Protocol strategy at the team/product level. Establishes standards and best practices. Conducts reviews. |
| Role | Required | Description |
|---|---|---|
| Telecom Developer | Required | Defines VoIP / SIP Protocol strategy at the organizational level. Establishes enterprise approaches. Mentors leads and architects. |
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